Conflux cfx_call API

v1.0.0

Base URL

https://cfx.nownodes.ioNOWNodes Conflux Core Space mainnet endpoint

Executes a message call without creating a transaction.

Authentication

api-keyAuthapiKey

NOWNodes API key passed in the api-key header.

API Key: api-key in header

Node

Conflux Core Space

Conflux Core Space JSON-RPC methods

cfx_call

POST

https://cfx.nownodes.io/

Executes a message call without creating a transaction.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_callrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_call

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_call",
    "params": [
      {
        "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
        "gas": "0x5208",
        "gasPrice": "0x3b9aca00",
        "value": "0x0",
        "data": "0x"
      },
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_call",
      "params": [
        {
          "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
          "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
          "gas": "0x5208",
          "gasPrice": "0x3b9aca00",
          "value": "0x0",
          "data": "0x"
        },
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_call",
  "params": [
    {
      "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "gas": "0x5208",
      "gasPrice": "0x3b9aca00",
      "value": "0x0",
      "data": "0x"
    },
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_call",
  "params": [
    {
      "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "gas": "0x5208",
      "gasPrice": "0x3b9aca00",
      "value": "0x0",
      "data": "0x"
    },
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_checkBalanceAgainstTransaction

POST

https://cfx.nownodes.io/

Checks whether an account can afford a transaction.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_checkBalanceAgainstTransactionrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_checkBalanceAgainstTransaction

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_checkBalanceAgainstTransaction",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "0x5208",
      "0x3b9aca00",
      "0x0",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_checkBalanceAgainstTransaction",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
        "0x5208",
        "0x3b9aca00",
        "0x0",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_checkBalanceAgainstTransaction",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "0x5208",
    "0x3b9aca00",
    "0x0",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_checkBalanceAgainstTransaction",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "0x5208",
    "0x3b9aca00",
    "0x0",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "isBalanceEnough": true,
    "willPayCollateral": true,
    "willPayTxFee": true
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_clientVersion

POST

https://cfx.nownodes.io/

Returns the Conflux client version.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_clientVersionrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_clientVersion

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_clientVersion",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_clientVersion",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_clientVersion",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_clientVersion",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "conflux-rust-3.0.3",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_epochNumber

POST

https://cfx.nownodes.io/

Returns the highest epoch number for the selected epoch tag.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_epochNumberrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_epochNumber

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_epochNumber",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_epochNumber",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_epochNumber",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_epochNumber",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x909c9f",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_estimateGasAndCollateral

POST

https://cfx.nownodes.io/

Estimates gas and storage collateral for a transaction.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_estimateGasAndCollateralrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_estimateGasAndCollateral

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_estimateGasAndCollateral",
    "params": [
      {
        "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
        "gas": "0x5208",
        "gasPrice": "0x3b9aca00",
        "value": "0x0",
        "data": "0x"
      },
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_estimateGasAndCollateral",
      "params": [
        {
          "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
          "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
          "gas": "0x5208",
          "gasPrice": "0x3b9aca00",
          "value": "0x0",
          "data": "0x"
        },
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_estimateGasAndCollateral",
  "params": [
    {
      "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "gas": "0x5208",
      "gasPrice": "0x3b9aca00",
      "value": "0x0",
      "data": "0x"
    },
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_estimateGasAndCollateral",
  "params": [
    {
      "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "gas": "0x5208",
      "gasPrice": "0x3b9aca00",
      "value": "0x0",
      "data": "0x"
    },
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "gasUsed": "0x5208",
    "storageCollateralized": "0x0"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_feeHistory

POST

https://cfx.nownodes.io/

Returns historical base fee and priority fee information.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_feeHistoryrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_feeHistory

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_feeHistory",
    "params": [
      "0x5",
      "latest_state",
      [
        10,
        50,
        90
      ]
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_feeHistory",
      "params": [
        "0x5",
        "latest_state",
        [
          10,
          50,
          90
        ]
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_feeHistory",
  "params": [
    "0x5",
    "latest_state",
    [
      10,
      50,
      90
    ]
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_feeHistory",
  "params": [
    "0x5",
    "latest_state",
    [
      10,
      50,
      90
    ]
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "oldestEpoch": "0x909c9b",
    "baseFeePerGas": [
      "0x1"
    ],
    "gasUsedRatio": [
      0.5
    ],
    "reward": [
      [
        "0x0"
      ]
    ]
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_gasPrice

POST

https://cfx.nownodes.io/

Returns the current gas price in Drip.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_gasPricerequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_gasPrice

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_gasPrice",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_gasPrice",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_gasPrice",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_gasPrice",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x3b9aca00",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getAccount

POST

https://cfx.nownodes.io/

Returns account state information.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getAccountrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getAccount

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getAccount",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getAccount",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getAccount",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getAccount",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "accumulatedInterestReturn": "0x0",
    "balance": "0x0",
    "collateralForStorage": "0x0",
    "nonce": "0x1",
    "stakingBalance": "0x0"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getAccountPendingInfo

POST

https://cfx.nownodes.io/

Returns pending transaction information for an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getAccountPendingInforequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getAccountPendingInfo

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getAccountPendingInfo",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getAccountPendingInfo",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getAccountPendingInfo",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getAccountPendingInfo",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "localNonce": "0x1",
    "pendingCount": "0x0",
    "pendingNonce": "0x1",
    "nextPendingTx": null
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getAccountPendingTransactions

POST

https://cfx.nownodes.io/

Returns pending transactions for an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getAccountPendingTransactionsrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getAccountPendingTransactions

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getAccountPendingTransactions",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "0x0",
      "0x10"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getAccountPendingTransactions",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "0x0",
        "0x10"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getAccountPendingTransactions",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "0x0",
    "0x10"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getAccountPendingTransactions",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "0x0",
    "0x10"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "pendingCount": "0x0",
    "pendingTransactions": []
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getAccumulateInterestRate

POST

https://cfx.nownodes.io/

Returns the accumulated interest rate at an epoch.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getAccumulateInterestRaterequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getAccumulateInterestRate

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getAccumulateInterestRate",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getAccumulateInterestRate",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getAccumulateInterestRate",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getAccumulateInterestRate",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x0",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getAdmin

POST

https://cfx.nownodes.io/

Returns the administrator address of a contract.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getAdminrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getAdmin

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getAdmin",
    "params": [
      "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getAdmin",
      "params": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getAdmin",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getAdmin",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getBalance

POST

https://cfx.nownodes.io/

Returns the balance of an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getBalancerequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getBalance

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getBalance",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getBalance",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getBalance",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getBalance",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x3576f7dd9fa08e0514",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getBestBlockHash

POST

https://cfx.nownodes.io/

Returns the hash of the best block.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getBestBlockHashrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getBestBlockHash

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getBestBlockHash",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getBestBlockHash",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getBestBlockHash",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getBestBlockHash",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getBlockByBlockNumber

POST

https://cfx.nownodes.io/

Returns a block by its total-order block number.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getBlockByBlockNumberrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getBlockByBlockNumber

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getBlockByBlockNumber",
    "params": [
      "0x1",
      true
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getBlockByBlockNumber",
      "params": [
        "0x1",
        true
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getBlockByBlockNumber",
  "params": [
    "0x1",
    true
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getBlockByBlockNumber",
  "params": [
    "0x1",
    true
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "hash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "blockNumber": "0x1",
    "transactions": []
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getBlockByEpochNumber

POST

https://cfx.nownodes.io/

Returns the pivot block for an epoch.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getBlockByEpochNumberrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getBlockByEpochNumber

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getBlockByEpochNumber",
    "params": [
      "latest_state",
      true
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getBlockByEpochNumber",
      "params": [
        "latest_state",
        true
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getBlockByEpochNumber",
  "params": [
    "latest_state",
    true
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getBlockByEpochNumber",
  "params": [
    "latest_state",
    true
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "hash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "epochNumber": "0x909c9f",
    "transactions": []
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getBlockByHash

POST

https://cfx.nownodes.io/

Returns a block by hash.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getBlockByHashrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getBlockByHash

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getBlockByHash",
    "params": [
      "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
      true
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getBlockByHash",
      "params": [
        "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
        true
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getBlockByHash",
  "params": [
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    true
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getBlockByHash",
  "params": [
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    true
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "hash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "epochNumber": "0x909c9f",
    "transactions": []
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getBlockByHashWithPivotAssumption

POST

https://cfx.nownodes.io/

Returns a block by hash under a pivot-chain assumption.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getBlockByHashWithPivotAssumptionrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getBlockByHashWithPivotAssumption

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getBlockByHashWithPivotAssumption",
    "params": [
      "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
      "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
      "0x909c9f"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getBlockByHashWithPivotAssumption",
      "params": [
        "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
        "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
        "0x909c9f"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getBlockByHashWithPivotAssumption",
  "params": [
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "0x909c9f"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getBlockByHashWithPivotAssumption",
  "params": [
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "0x909c9f"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "hash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "epochNumber": "0x909c9f",
    "transactions": []
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getBlockRewardInfo

POST

https://cfx.nownodes.io/

Returns block reward information for an epoch.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getBlockRewardInforequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getBlockRewardInfo

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getBlockRewardInfo",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getBlockRewardInfo",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getBlockRewardInfo",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getBlockRewardInfo",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [
    {
      "blockHash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
      "author": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "totalReward": "0x0",
      "baseReward": "0x0",
      "txFee": "0x0"
    }
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getBlocksByEpoch

POST

https://cfx.nownodes.io/

Returns block hashes in an epoch.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getBlocksByEpochrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getBlocksByEpoch

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getBlocksByEpoch",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getBlocksByEpoch",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getBlocksByEpoch",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getBlocksByEpoch",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getCode

POST

https://cfx.nownodes.io/

Returns contract bytecode at an address.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getCoderequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getCode

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getCode",
    "params": [
      "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getCode",
      "params": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getCode",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getCode",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x6080604052",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getCollateralForStorage

POST

https://cfx.nownodes.io/

Returns storage collateral locked by an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getCollateralForStoragerequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getCollateralForStorage

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getCollateralForStorage",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getCollateralForStorage",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getCollateralForStorage",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getCollateralForStorage",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x0",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getCollateralInfo

POST

https://cfx.nownodes.io/

Returns current chain storage collateral information.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getCollateralInforequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getCollateralInfo

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getCollateralInfo",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getCollateralInfo",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getCollateralInfo",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getCollateralInfo",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "totalStorageTokens": "0x12c6e8ec75a2740998000",
    "convertedStoragePoints": "0x485ec66",
    "usedStoragePoints": "0x290bc0"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getConfirmationRiskByHash

POST

https://cfx.nownodes.io/

Returns the confirmation risk of a block.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getConfirmationRiskByHashrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getConfirmationRiskByHash

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getConfirmationRiskByHash",
    "params": [
      "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getConfirmationRiskByHash",
      "params": [
        "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getConfirmationRiskByHash",
  "params": [
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getConfirmationRiskByHash",
  "params": [
    "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x0",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getDepositList

POST

https://cfx.nownodes.io/

Returns the deposit list of an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getDepositListrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getDepositList

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getDepositList",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getDepositList",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getDepositList",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getDepositList",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getEpochReceipts

POST

https://cfx.nownodes.io/

Returns all transaction receipts in an epoch.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getEpochReceiptsrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getEpochReceipts

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getEpochReceipts",
    "params": [
      "0x1000",
      true
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getEpochReceipts",
      "params": [
        "0x1000",
        true
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getEpochReceipts",
  "params": [
    "0x1000",
    true
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getEpochReceipts",
  "params": [
    "0x1000",
    true
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [
    [],
    []
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getFeeBurnt

POST

https://cfx.nownodes.io/

Returns the total EIP-1559 transaction gas fee burnt.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getFeeBurntrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getFeeBurnt

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getFeeBurnt",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getFeeBurnt",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getFeeBurnt",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getFeeBurnt",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x09184e72a000",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getFilterChanges

POST

https://cfx.nownodes.io/

Returns changes since the last filter poll.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getFilterChangesrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getFilterChanges

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getFilterChanges",
    "params": [
      "0x09294f7b3b63b52d3771fcafb7b7ed61"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getFilterChanges",
      "params": [
        "0x09294f7b3b63b52d3771fcafb7b7ed61"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getFilterChanges",
  "params": [
    "0x09294f7b3b63b52d3771fcafb7b7ed61"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getFilterChanges",
  "params": [
    "0x09294f7b3b63b52d3771fcafb7b7ed61"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [
    "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getFilterLogs

POST

https://cfx.nownodes.io/

Returns all logs matching a filter.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getFilterLogsrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getFilterLogs

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getFilterLogs",
    "params": [
      "0x09294f7b3b63b52d3771fcafb7b7ed61"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getFilterLogs",
      "params": [
        "0x09294f7b3b63b52d3771fcafb7b7ed61"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getFilterLogs",
  "params": [
    "0x09294f7b3b63b52d3771fcafb7b7ed61"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getFilterLogs",
  "params": [
    "0x09294f7b3b63b52d3771fcafb7b7ed61"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getInterestRate

POST

https://cfx.nownodes.io/

Returns the interest rate at an epoch.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getInterestRaterequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getInterestRate

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getInterestRate",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getInterestRate",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getInterestRate",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getInterestRate",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x0",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getLogs

POST

https://cfx.nownodes.io/

Returns logs matching a filter.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getLogsrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getLogs

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getLogs",
    "params": [
      {
        "fromEpoch": "latest_checkpoint",
        "toEpoch": "latest_state",
        "address": [
          "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp"
        ],
        "topics": []
      }
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getLogs",
      "params": [
        {
          "fromEpoch": "latest_checkpoint",
          "toEpoch": "latest_state",
          "address": [
            "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp"
          ],
          "topics": []
        }
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getLogs",
  "params": [
    {
      "fromEpoch": "latest_checkpoint",
      "toEpoch": "latest_state",
      "address": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp"
      ],
      "topics": []
    }
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getLogs",
  "params": [
    {
      "fromEpoch": "latest_checkpoint",
      "toEpoch": "latest_state",
      "address": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp"
      ],
      "topics": []
    }
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getNextNonce

POST

https://cfx.nownodes.io/

Returns the next nonce for an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getNextNoncerequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getNextNonce

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getNextNonce",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getNextNonce",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getNextNonce",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getNextNonce",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x1",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getParamsFromVote

POST

https://cfx.nownodes.io/

Returns DAO vote parameter information.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getParamsFromVoterequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getParamsFromVote

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getParamsFromVote",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getParamsFromVote",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getParamsFromVote",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getParamsFromVote",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "powBaseReward": "0xdeeb372cab9eb32",
    "interestRate": "0x9f69",
    "storagePointProp": "0xde0b6b3a7640000",
    "baseFeeShareProp": "0xde0b6b3a7640000"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getPoSEconomics

POST

https://cfx.nownodes.io/

Returns PoS economic information.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getPoSEconomicsrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getPoSEconomics

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getPoSEconomics",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getPoSEconomics",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getPoSEconomics",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getPoSEconomics",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "distributablePosInterest": "0x0",
    "lastDistributeBlock": "0x0",
    "totalPosStakingTokens": "0x0"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getPoSRewardByEpoch

POST

https://cfx.nownodes.io/

Returns PoS reward information by epoch.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getPoSRewardByEpochrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getPoSRewardByEpoch

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getPoSRewardByEpoch",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getPoSRewardByEpoch",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getPoSRewardByEpoch",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getPoSRewardByEpoch",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "accountRewards": [],
    "powEpochHash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getSkippedBlocksByEpoch

POST

https://cfx.nownodes.io/

Returns non-executed blocks in an epoch.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getSkippedBlocksByEpochrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getSkippedBlocksByEpoch

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getSkippedBlocksByEpoch",
    "params": [
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getSkippedBlocksByEpoch",
      "params": [
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getSkippedBlocksByEpoch",
  "params": [
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getSkippedBlocksByEpoch",
  "params": [
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getSponsorInfo

POST

https://cfx.nownodes.io/

Returns sponsorship information for a contract.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getSponsorInforequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getSponsorInfo

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getSponsorInfo",
    "params": [
      "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getSponsorInfo",
      "params": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getSponsorInfo",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getSponsorInfo",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "sponsorForGas": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "sponsorBalanceForGas": "0x0",
    "sponsorGasBound": "0x0",
    "sponsorForCollateral": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "sponsorBalanceForCollateral": "0x0"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getStakingBalance

POST

https://cfx.nownodes.io/

Returns the staking balance of an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getStakingBalancerequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getStakingBalance

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getStakingBalance",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getStakingBalance",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getStakingBalance",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getStakingBalance",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x0",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getStatus

POST

https://cfx.nownodes.io/

Returns node and chain status.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getStatusrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getStatus

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getStatus",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getStatus",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getStatus",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getStatus",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "bestHash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "chainId": "0x405",
    "epochNumber": "0x909c9f",
    "blockNumber": "0x909c9f",
    "pendingTxNumber": "0x0"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getStorageAt

POST

https://cfx.nownodes.io/

Returns a storage value from a contract.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getStorageAtrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getStorageAt

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getStorageAt",
    "params": [
      "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "0x0",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getStorageAt",
      "params": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
        "0x0",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getStorageAt",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "0x0",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getStorageAt",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "0x0",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x0000000000000000000000000000000000000000000000000000000000000000",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getStorageRoot

POST

https://cfx.nownodes.io/

Returns the storage root of an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getStorageRootrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getStorageRoot

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getStorageRoot",
    "params": [
      "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getStorageRoot",
      "params": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getStorageRoot",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getStorageRoot",
  "params": [
    "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "delta": "0x0",
    "intermediate": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "snapshot": "0x0000000000000000000000000000000000000000000000000000000000000000"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getSupplyInfo

POST

https://cfx.nownodes.io/

Returns CFX supply information.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getSupplyInforequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getSupplyInfo

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getSupplyInfo",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getSupplyInfo",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getSupplyInfo",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getSupplyInfo",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "totalCirculating": "0x0",
    "totalIssued": "0x0",
    "totalStaking": "0x0",
    "totalCollateral": "0x0"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getTransactionByHash

POST

https://cfx.nownodes.io/

Returns transaction information by transaction hash.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getTransactionByHashrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getTransactionByHash

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getTransactionByHash",
    "params": [
      "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getTransactionByHash",
      "params": [
        "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getTransactionByHash",
  "params": [
    "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getTransactionByHash",
  "params": [
    "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "hash": "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699",
    "blockHash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "from": "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "to": "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp",
    "value": "0x0",
    "status": "0x0"
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getTransactionReceipt

POST

https://cfx.nownodes.io/

Returns the receipt of a transaction.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getTransactionReceiptrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getTransactionReceipt

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getTransactionReceipt",
    "params": [
      "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getTransactionReceipt",
      "params": [
        "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getTransactionReceipt",
  "params": [
    "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getTransactionReceipt",
  "params": [
    "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": {
    "transactionHash": "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699",
    "blockHash": "0x564750c06c7afb10de8beebcf24411cc73439295d5abb1264d2c9b90eee5606f",
    "epochNumber": "0x909c9f",
    "outcomeStatus": "0x0",
    "logs": []
  },
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_getVoteList

POST

https://cfx.nownodes.io/

Returns the vote list of an account.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_getVoteListrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_getVoteList

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_getVoteList",
    "params": [
      "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
      "latest_state"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_getVoteList",
      "params": [
        "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
        "latest_state"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_getVoteList",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_getVoteList",
  "params": [
    "cfx:type.user:aarc9abycue0hhzgyrr53m6cxedgccrmmyybjgh4xg",
    "latest_state"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_maxPriorityFeePerGas

POST

https://cfx.nownodes.io/

Returns the suggested maximum priority fee per gas.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_maxPriorityFeePerGasrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_maxPriorityFeePerGas

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_maxPriorityFeePerGas",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_maxPriorityFeePerGas",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_maxPriorityFeePerGas",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_maxPriorityFeePerGas",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x0",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_newBlockFilter

POST

https://cfx.nownodes.io/

Creates a block filter.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_newBlockFilterrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_newBlockFilter

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_newBlockFilter",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_newBlockFilter",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_newBlockFilter",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_newBlockFilter",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x09294f7b3b63b52d3771fcafb7b7ed61",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_newFilter

POST

https://cfx.nownodes.io/

Creates a log filter.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_newFilterrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_newFilter

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_newFilter",
    "params": [
      {
        "fromEpoch": "latest_checkpoint",
        "toEpoch": "latest_state",
        "address": [
          "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp"
        ],
        "topics": []
      }
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_newFilter",
      "params": [
        {
          "fromEpoch": "latest_checkpoint",
          "toEpoch": "latest_state",
          "address": [
            "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp"
          ],
          "topics": []
        }
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_newFilter",
  "params": [
    {
      "fromEpoch": "latest_checkpoint",
      "toEpoch": "latest_state",
      "address": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp"
      ],
      "topics": []
    }
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_newFilter",
  "params": [
    {
      "fromEpoch": "latest_checkpoint",
      "toEpoch": "latest_state",
      "address": [
        "cfx:type.contract:acc7uawf5ubtnmezvhu9dhc6sghea0403y2dgpyfjp"
      ],
      "topics": []
    }
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x09294f7b3b63b52d3771fcafb7b7ed61",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_newPendingTransactionFilter

POST

https://cfx.nownodes.io/

Creates a pending transaction filter.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_newPendingTransactionFilterrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_newPendingTransactionFilter

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_newPendingTransactionFilter",
    "params": [],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_newPendingTransactionFilter",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_newPendingTransactionFilter",
  "params": [],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_newPendingTransactionFilter",
  "params": [],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x09294f7b3b63b52d3771fcafb7b7ed61",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_sendRawTransaction

POST

https://cfx.nownodes.io/

Submits a signed raw transaction.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_sendRawTransactionrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_sendRawTransaction

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_sendRawTransaction",
    "params": [
      "0xf86c01843b9aca008252089400000000000000000000000000000000000000008080"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_sendRawTransaction",
      "params": [
        "0xf86c01843b9aca008252089400000000000000000000000000000000000000008080"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_sendRawTransaction",
  "params": [
    "0xf86c01843b9aca008252089400000000000000000000000000000000000000008080"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_sendRawTransaction",
  "params": [
    "0xf86c01843b9aca008252089400000000000000000000000000000000000000008080"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": "0x497755f45baef13a35347933c48c0b8940f2cc3347477b5ed9f165581b082699",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

cfx_uninstallFilter

POST

https://cfx.nownodes.io/

Removes a filter.

Body

application/json

jsonrpcstring2.0required

methodstringcfx_uninstallFilterrequired

paramsArray<any>required

Positional parameters for the JSON-RPC method.

idinteger | stringrequired

Response

200OK

Successful JSON-RPC response

400Bad Request

Invalid JSON-RPC request

401Unauthorized

Missing or invalid NOWNodes API key

429Too Many Requests

Rate limit exceeded

500Internal Server Error

Node or gateway error

Authorization

api-keyAuthapiKey in header

NOWNodes API key passed in the api-key header.

cfx_uninstallFilter

curl -X POST 'https://cfx.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "cfx_uninstallFilter",
    "params": [
      "0x09294f7b3b63b52d3771fcafb7b7ed61"
    ],
    "id": 1
  }'

const response = await fetch('https://cfx.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "cfx_uninstallFilter",
      "params": [
        "0x09294f7b3b63b52d3771fcafb7b7ed61"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "cfx_uninstallFilter",
  "params": [
    "0x09294f7b3b63b52d3771fcafb7b7ed61"
  ],
  "id": 1
}

response = requests.post('https://cfx.nownodes.io/', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "method": "cfx_uninstallFilter",
  "params": [
    "0x09294f7b3b63b52d3771fcafb7b7ed61"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "result": true,
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "Invalid params"
  },
  "id": 1
}

Documentation

Authentication

Node

Conflux Core Space

Body

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Authorization

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