Flare Node JSON-RPC API

v1.0.0

Base URLs

https://soroban-futurenet.nownodes.io

https://soroban-testnet.nownodes.io

JSON-RPC method for sending transaction

Authentication

ApiKeyAuthapiKey

API Key: api-key in header

FUTURENET

sendTransaction

Send transaction

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

Submit a real transaction to the Stellar network. This is the only way to make changes on-chain.

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

transactionstringrequired

Response

200OK

Transaction sent successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Send transaction

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "sendTransaction",
    "params": {
      "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "sendTransaction",
      "params": {
        "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "sendTransaction",
  "params": {
    "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "sendTransaction",
  "params": {
    "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "status": "PENDING",
    "hash": "d8ec9b68780314ffdfdfc2194b1b35dd27d7303c3bceaef6447e31631a1419dc",
    "latestLedger": 2553978,
    "latestLedgerCloseTime": "1700159337"
  }
}

getEvents

Get contract events

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

Returns contract events

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

startLedgerintegerrequired

filtersArray<object>required

Show child attributes

typestring

contractIdsArray<string>

topicsArray<Array<string>>

paginationobject

Show child attributes

limitinteger

Response

200OK

Contract events retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get contract events

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getEvents",
    "params": {
      "startLedger": 1190000,
      "filters": [
        {
          "type": "contract",
          "contractIds": [
            "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC"
          ],
          "topics": [
            [
              "AAAADwAAAAh0cmFuc2Zlcg==",
              "*",
              "*",
              "*"
            ]
          ]
        }
      ],
      "pagination": {
        "limit": 2
      }
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getEvents",
      "params": {
        "startLedger": 1190000,
        "filters": [
          {
            "type": "contract",
            "contractIds": [
              "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC"
            ],
            "topics": [
              [
                "AAAADwAAAAh0cmFuc2Zlcg==",
                "*",
                "*",
                "*"
              ]
            ]
          }
        ],
        "pagination": {
          "limit": 2
        }
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getEvents",
  "params": {
    "startLedger": 1190000,
    "filters": [
      {
        "type": "contract",
        "contractIds": [
          "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC"
        ],
        "topics": [
          [
            "AAAADwAAAAh0cmFuc2Zlcg==",
            "*",
            "*",
            "*"
          ]
        ]
      }
    ],
    "pagination": {
      "limit": 2
    }
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getEvents",
  "params": {
    "startLedger": 1190000,
    "filters": [
      {
        "type": "contract",
        "contractIds": [
          "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC"
        ],
        "topics": [
          [
            "AAAADwAAAAh0cmFuc2Zlcg==",
            "*",
            "*",
            "*"
          ]
        ]
      }
    ],
    "pagination": {
      "limit": 2
    }
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "events": [
      {
        "type": "contract",
        "ledger": 1192402,
        "ledgerClosedAt": "2024-04-19T06:19:00Z",
        "contractId": "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC",
        "id": "0005121327593697280-0000000002",
        "pagingToken": "0005121327593697280-0000000002",
        "topic": [
          "AAAADwAAAAh0cmFuc2Zlcg==",
          "AAAAEgAAAAAAAAAA/ItF3cwsGhkee6lL5X6kicifdluxtsuDq9J/F0zou6Q=",
          "AAAAEgAAAAAAAAAA2uSCoRk2StNEYAmWOhGXKQg0SLV6avaiN7TdV/uMozQ=",
          "AAAADgAAAAZuYXRpdmUAAA=="
        ],
        "value": "AAAACgAAAAAAAAAAAAAAAAX14QA=",
        "inSuccessfulContractCall": true,
        "txHash": "bd8a6611a3b44ff7dce76a27fb32fa69c9f6eff3435ca5296f6035d5105617ed"
      }
    ],
    "latestLedger": 1197926
  }
}

getFeeStats

Get fee statistics

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

Returns statistics for charged inclusion fees

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Fee statistics retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get fee statistics

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getFeeStats"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getFeeStats"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getFeeStats"
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getFeeStats"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "sorobanInclusionFee": {
      "max": "210",
      "min": "100",
      "mode": "100",
      "p10": "100",
      "p20": "100",
      "p30": "100",
      "p40": "100",
      "p50": "100",
      "p60": "100",
      "p70": "100",
      "p80": "100",
      "p90": "120",
      "p95": "190",
      "p99": "200",
      "transactionCount": "10",
      "ledgerCount": 50
    },
    "inclusionFee": {
      "max": "100",
      "min": "100",
      "mode": "100",
      "p10": "100",
      "p20": "100",
      "p30": "100",
      "p40": "100",
      "p50": "100",
      "p60": "100",
      "p70": "100",
      "p80": "100",
      "p90": "100",
      "p95": "100",
      "p99": "100",
      "transactionCount": "7",
      "ledgerCount": 10
    },
    "latestLedger": 4519945
  }
}

getHealth

Get node health

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

General node health check

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Node health status retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get node health

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getHealth"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getHealth"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getHealth"
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getHealth"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "status": "healthy"
  }
}

getLatestLedger

Get latest ledger

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

For finding out the current latest known ledger of this node. This is a subset of the ledger info from Horizon.

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Latest ledger information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get latest ledger

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getLatestLedger"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getLatestLedger"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLatestLedger"
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLatestLedger"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "id": "c73c5eac58a441d4eb733c35253ae85f783e018f7be5ef974258fed067aabb36",
    "protocolVersion": 20,
    "sequence": 2539605
  }
}

getLedgerEntries

Get ledger entries

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

For reading the current value of ledger entries directly

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

keysArray<string>required

Response

200OK

Ledger entries retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get ledger entries

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getLedgerEntries",
    "params": {
      "keys": [
        "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ=="
      ]
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getLedgerEntries",
      "params": {
        "keys": [
          "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ=="
        ]
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLedgerEntries",
  "params": {
    "keys": [
      "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ=="
    ]
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLedgerEntries",
  "params": {
    "keys": [
      "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ=="
    ]
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "entries": [
      {
        "key": "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ==",
        "xdr": "AAAABgAAAAAAAAAB15KLcsJwPM/q9+uf9O9NUEpVqLl5/JtFDqLIQrTRzmEAAAAQAAAAAQAAAAIAAAAPAAAAB0JhbGFuY2UAAAAAEgAAAAHMA/50/Q+w3Ni8UXWm/trxFBfAfl6De5kFttaMT0/ACwAAAAEAAAARAAAAAQAAAAMAAAAPAAAABmFtb3VudAAAAAAACgAAAAAAAAAAAAAAAB3NZQAAAAAPAAAACmF1dGhvcml6ZWQAAAAAAAAAAAABAAAADwAAAAhjbGF3YmFjawAAAAAAAAAA",
        "lastModifiedLedgerSeq": 2553612
      }
    ],
    "latestLedger": 2553713
  }
}

getLedgers

Get ledgers

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

Returns a detailed list of ledgers starting from the user specified starting point

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

startLedgerintegerrequired

paginationobject

Show child attributes

limitinteger

Response

200OK

Ledgers information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get ledgers

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getLedgers",
    "params": {
      "startLedger": 36233,
      "pagination": {
        "limit": 2
      }
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getLedgers",
      "params": {
        "startLedger": 36233,
        "pagination": {
          "limit": 2
        }
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLedgers",
  "params": {
    "startLedger": 36233,
    "pagination": {
      "limit": 2
    }
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLedgers",
  "params": {
    "startLedger": 36233,
    "pagination": {
      "limit": 2
    }
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "ledgers": [
      {
        "hash": "434de11b427aa4b6f8cda259ac2111a6aa148d2ab6b4c7affe864e94a9f4bd80",
        "sequence": 36233,
        "ledgerCloseTime": "1734032457",
        "headerXdr": "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",
        "metadataXdr": "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"
      }
    ],
    "latestLedger": 36379,
    "latestLedgerCloseTime": 1734033188,
    "oldestLedger": 29312,
    "oldestLedgerCloseTime": 1733997822,
    "cursor": "36234"
  }
}

getNetwork

Get network information

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

General information about the currently configured network. This response will contain all the information needed to successfully submit transactions to the network this node serves.

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Network information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get network information

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getNetwork"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getNetwork"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getNetwork"
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getNetwork"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "friendbotUrl": "https://friendbot-futurenet.stellar.org/",
    "passphrase": "Test SDF Future Network ; October 2022",
    "protocolVersion": 20
  }
}

getTransaction

Get transaction details

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

The getTransaction method provides details about the specified transaction

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

hashstringrequired

Response

200OK

Transaction details retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get transaction details

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getTransaction",
    "params": {
      "hash": "6bc97bddc21811c626839baf4ab574f4f9f7ddbebb44d286ae504396d4e752da"
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getTransaction",
      "params": {
        "hash": "6bc97bddc21811c626839baf4ab574f4f9f7ddbebb44d286ae504396d4e752da"
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getTransaction",
  "params": {
    "hash": "6bc97bddc21811c626839baf4ab574f4f9f7ddbebb44d286ae504396d4e752da"
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getTransaction",
  "params": {
    "hash": "6bc97bddc21811c626839baf4ab574f4f9f7ddbebb44d286ae504396d4e752da"
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "status": "SUCCESS",
    "latestLedger": 2540076,
    "latestLedgerCloseTime": "1700086333",
    "oldestLedger": 2538637,
    "oldestLedgerCloseTime": "1700078796",
    "applicationOrder": 1,
    "envelopeXdr": "string",
    "resultXdr": "string",
    "resultMetaXdr": "string",
    "ledger": 2540064,
    "createdAt": "1700086268"
  }
}

getTransactions

Get transactions

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

Method returns a detailed list of transactions starting from the user specified starting point

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

startLedgerintegerrequired

paginationobject

Show child attributes

limitinteger

Response

200OK

Transactions retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get transactions

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getTransactions",
    "params": {
      "startLedger": 337272,
      "pagination": {
        "limit": 5
      }
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getTransactions",
      "params": {
        "startLedger": 337272,
        "pagination": {
          "limit": 5
        }
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getTransactions",
  "params": {
    "startLedger": 337272,
    "pagination": {
      "limit": 5
    }
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getTransactions",
  "params": {
    "startLedger": 337272,
    "pagination": {
      "limit": 5
    }
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "transactions": [
      {
        "status": "SUCCESS",
        "txHash": "string",
        "applicationOrder": 0,
        "feeBump": true,
        "envelopeXdr": "string",
        "resultXdr": "string",
        "resultMetaXdr": "string",
        "events": {
          "transactionEventsXdr": [
            "string"
          ],
          "contractEventsXdr": [
            [
              "string"
            ]
          ]
        },
        "ledger": 0,
        "createdAt": 0
      }
    ],
    "latestLedger": 353482,
    "latestLedgerCloseTimestamp": 1752036440,
    "oldestLedger": 337151,
    "oldestLedgerCloseTimestamp": 1751954719,
    "cursor": "1448572209876993"
  }
}

getVersionInfo

Get version information

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

Version information about the RPC and Captive core

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Version information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get version information

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getVersionInfo"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getVersionInfo"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getVersionInfo"
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getVersionInfo"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "version": "23.0.1",
    "commit_hash": "fcd2f0523f04279bae4502f3e3fa00ca627e6f6a",
    "build_time_stamp": "2025-05-10T11:18:38",
    "captive_core_version": "stellar-core 23.0.1 (050eacf11a15afb2e95560dfb5723dfdcf78070f)",
    "protocol_version": 23
  }
}

simulateTransaction

Simulate transaction

POST

https://soroban-futurenet.nownodes.io/soroban/rpc

Submit a trial contract invocation to simulate how it would be executed by the network. This endpoint calculates the effective transaction data, required authorizations, and minimal resource fee. It provides a way to test and analyze the potential outcomes of a transaction without actually submitting it to the network.

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

transactionstringrequired

resourceConfigobject

Show child attributes

instructionLeewayinteger

Response

200OK

Transaction simulation completed successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Simulate transaction

curl -X POST 'https://soroban-futurenet.nownodes.io/soroban/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "simulateTransaction",
    "params": {
      "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAAEQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAJaW5jcmVtZW50AAAAAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAMAAAAAAAAAAAAAAAA=",
      "resourceConfig": {
        "instructionLeeway": 3000000
      }
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/soroban/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "simulateTransaction",
      "params": {
        "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAAEQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAJaW5jcmVtZW50AAAAAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAMAAAAAAAAAAAAAAAA=",
        "resourceConfig": {
          "instructionLeeway": 3000000
        }
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "simulateTransaction",
  "params": {
    "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAAEQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAJaW5jcmVtZW50AAAAAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAMAAAAAAAAAAAAAAAA=",
    "resourceConfig": {
      "instructionLeeway": 3000000
    }
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/soroban/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "simulateTransaction",
  "params": {
    "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAAEQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAJaW5jcmVtZW50AAAAAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAMAAAAAAAAAAAAAAAA=",
    "resourceConfig": {
      "instructionLeeway": 3000000
    }
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "transactionData": "AAAAAAAAAAIAAAAGAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAFAAAAAEAAAAHy8vNUZ8vyZ2ybPHW0XbSrRtP7gEWsJ6zDzcfY9P8z88AAAABAAAABgAAAAHMA/50/Q+w3Ni8UXWm/trxFBfAfl6De5kFttaMT0/ACwAAABAAAAABAAAAAgAAAA8AAAAHQ291bnRlcgAAAAASAAAAAAAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAAEAHfKyAAAFiAAAAIgAAAAAAAAAAw==",
    "minResourceFee": "90353",
    "events": [
      "AAAAAQAAAAAAAAAAAAAAAgAAAAAAAAADAAAADwAAAAdmbl9jYWxsAAAAAA0AAAAgzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAPAAAACWluY3JlbWVudAAAAAAAABAAAAABAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAM=",
      "AAAAAQAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAACAAAAAAAAAAIAAAAPAAAACWZuX3JldHVybgAAAAAAAA8AAAAJaW5jcmVtZW50AAAAAAAAAwAAAAw="
    ],
    "results": [
      {
        "auth": [
          "string"
        ],
        "xdr": "AAAAAwAAAAw="
      }
    ],
    "cost": {
      "cpuInsns": "1635562",
      "memBytes": "1295756"
    },
    "latestLedger": 2552139
  }
}

TESTNET

sendTransaction

Send transaction

POST

https://soroban-futurenet.nownodes.io/rpc

Submit a real transaction to the Stellar network. This is the only way to make changes on-chain.

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

transactionstringrequired

Response

200OK

Transaction sent successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Send transaction

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "sendTransaction",
    "params": {
      "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "sendTransaction",
      "params": {
        "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "sendTransaction",
  "params": {
    "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "sendTransaction",
  "params": {
    "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "status": "PENDING",
    "hash": "d8ec9b68780314ffdfdfc2194b1b35dd27d7303c3bceaef6447e31631a1419dc",
    "latestLedger": 2553978,
    "latestLedgerCloseTime": "1700159337"
  }
}

getEvents

Get contract events

POST

https://soroban-futurenet.nownodes.io/rpc

Returns contract events

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

startLedgerintegerrequired

filtersArray<object>required

Show child attributes

typestring

contractIdsArray<string>

topicsArray<Array<string>>

paginationobject

Show child attributes

limitinteger

Response

200OK

Contract events retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get contract events

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getEvents",
    "params": {
      "startLedger": 1190000,
      "filters": [
        {
          "type": "contract",
          "contractIds": [
            "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC"
          ],
          "topics": [
            [
              "AAAADwAAAAh0cmFuc2Zlcg==",
              "*",
              "*",
              "*"
            ]
          ]
        }
      ],
      "pagination": {
        "limit": 2
      }
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getEvents",
      "params": {
        "startLedger": 1190000,
        "filters": [
          {
            "type": "contract",
            "contractIds": [
              "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC"
            ],
            "topics": [
              [
                "AAAADwAAAAh0cmFuc2Zlcg==",
                "*",
                "*",
                "*"
              ]
            ]
          }
        ],
        "pagination": {
          "limit": 2
        }
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getEvents",
  "params": {
    "startLedger": 1190000,
    "filters": [
      {
        "type": "contract",
        "contractIds": [
          "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC"
        ],
        "topics": [
          [
            "AAAADwAAAAh0cmFuc2Zlcg==",
            "*",
            "*",
            "*"
          ]
        ]
      }
    ],
    "pagination": {
      "limit": 2
    }
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getEvents",
  "params": {
    "startLedger": 1190000,
    "filters": [
      {
        "type": "contract",
        "contractIds": [
          "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC"
        ],
        "topics": [
          [
            "AAAADwAAAAh0cmFuc2Zlcg==",
            "*",
            "*",
            "*"
          ]
        ]
      }
    ],
    "pagination": {
      "limit": 2
    }
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "events": [
      {
        "type": "contract",
        "ledger": 1192402,
        "ledgerClosedAt": "2024-04-19T06:19:00Z",
        "contractId": "CDLZFC3SYJYDZT7K67VZ75HPJVIEUVNIXF47ZG2FB2RMQQVU2HHGCYSC",
        "id": "0005121327593697280-0000000002",
        "pagingToken": "0005121327593697280-0000000002",
        "topic": [
          "AAAADwAAAAh0cmFuc2Zlcg==",
          "AAAAEgAAAAAAAAAA/ItF3cwsGhkee6lL5X6kicifdluxtsuDq9J/F0zou6Q=",
          "AAAAEgAAAAAAAAAA2uSCoRk2StNEYAmWOhGXKQg0SLV6avaiN7TdV/uMozQ=",
          "AAAADgAAAAZuYXRpdmUAAA=="
        ],
        "value": "AAAACgAAAAAAAAAAAAAAAAX14QA=",
        "inSuccessfulContractCall": true,
        "txHash": "bd8a6611a3b44ff7dce76a27fb32fa69c9f6eff3435ca5296f6035d5105617ed"
      }
    ],
    "latestLedger": 1197926
  }
}

getFeeStats

Get fee statistics

POST

https://soroban-futurenet.nownodes.io/rpc

Returns statistics for charged inclusion fees

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Fee statistics retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get fee statistics

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getFeeStats"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getFeeStats"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getFeeStats"
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getFeeStats"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "sorobanInclusionFee": {
      "max": "210",
      "min": "100",
      "mode": "100",
      "p10": "100",
      "p20": "100",
      "p30": "100",
      "p40": "100",
      "p50": "100",
      "p60": "100",
      "p70": "100",
      "p80": "100",
      "p90": "120",
      "p95": "190",
      "p99": "200",
      "transactionCount": "10",
      "ledgerCount": 50
    },
    "inclusionFee": {
      "max": "100",
      "min": "100",
      "mode": "100",
      "p10": "100",
      "p20": "100",
      "p30": "100",
      "p40": "100",
      "p50": "100",
      "p60": "100",
      "p70": "100",
      "p80": "100",
      "p90": "100",
      "p95": "100",
      "p99": "100",
      "transactionCount": "7",
      "ledgerCount": 10
    },
    "latestLedger": 4519945
  }
}

getHealth

Get node health

POST

https://soroban-futurenet.nownodes.io/rpc

General node health check

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Node health status retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get node health

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getHealth"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getHealth"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getHealth"
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getHealth"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "status": "healthy"
  }
}

getLatestLedger

Get latest ledger

POST

https://soroban-futurenet.nownodes.io/rpc

For finding out the current latest known ledger of this node. This is a subset of the ledger info from Horizon.

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Latest ledger information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get latest ledger

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getLatestLedger"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getLatestLedger"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLatestLedger"
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLatestLedger"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "id": "c73c5eac58a441d4eb733c35253ae85f783e018f7be5ef974258fed067aabb36",
    "protocolVersion": 20,
    "sequence": 2539605
  }
}

getLedgerEntries

Get ledger entries

POST

https://soroban-futurenet.nownodes.io/rpc

For reading the current value of ledger entries directly

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

keysArray<string>required

Response

200OK

Ledger entries retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get ledger entries

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getLedgerEntries",
    "params": {
      "keys": [
        "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ=="
      ]
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getLedgerEntries",
      "params": {
        "keys": [
          "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ=="
        ]
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLedgerEntries",
  "params": {
    "keys": [
      "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ=="
    ]
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLedgerEntries",
  "params": {
    "keys": [
      "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ=="
    ]
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "entries": [
      {
        "key": "AAAABgAAAAHXkotywnA8z+r365/0701QSlWouXn8m0UOoshCtNHOYQAAABAAAAABAAAAAgAAAA8AAAAHQmFsYW5jZQAAAAASAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAAQ==",
        "xdr": "AAAABgAAAAAAAAAB15KLcsJwPM/q9+uf9O9NUEpVqLl5/JtFDqLIQrTRzmEAAAAQAAAAAQAAAAIAAAAPAAAAB0JhbGFuY2UAAAAAEgAAAAHMA/50/Q+w3Ni8UXWm/trxFBfAfl6De5kFttaMT0/ACwAAAAEAAAARAAAAAQAAAAMAAAAPAAAABmFtb3VudAAAAAAACgAAAAAAAAAAAAAAAB3NZQAAAAAPAAAACmF1dGhvcml6ZWQAAAAAAAAAAAABAAAADwAAAAhjbGF3YmFjawAAAAAAAAAA",
        "lastModifiedLedgerSeq": 2553612
      }
    ],
    "latestLedger": 2553713
  }
}

getLedgers

Get ledgers

POST

https://soroban-futurenet.nownodes.io/rpc

Returns a detailed list of ledgers starting from the user specified starting point

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

startLedgerintegerrequired

paginationobject

Show child attributes

limitinteger

Response

200OK

Ledgers information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get ledgers

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getLedgers",
    "params": {
      "startLedger": 36233,
      "pagination": {
        "limit": 2
      }
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getLedgers",
      "params": {
        "startLedger": 36233,
        "pagination": {
          "limit": 2
        }
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLedgers",
  "params": {
    "startLedger": 36233,
    "pagination": {
      "limit": 2
    }
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getLedgers",
  "params": {
    "startLedger": 36233,
    "pagination": {
      "limit": 2
    }
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "ledgers": [
      {
        "hash": "434de11b427aa4b6f8cda259ac2111a6aa148d2ab6b4c7affe864e94a9f4bd80",
        "sequence": 36233,
        "ledgerCloseTime": "1734032457",
        "headerXdr": "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",
        "metadataXdr": "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"
      }
    ],
    "latestLedger": 36379,
    "latestLedgerCloseTime": 1734033188,
    "oldestLedger": 29312,
    "oldestLedgerCloseTime": 1733997822,
    "cursor": "36234"
  }
}

getNetwork

Get network information

POST

https://soroban-futurenet.nownodes.io/rpc

General information about the currently configured network. This response will contain all the information needed to successfully submit transactions to the network this node serves.

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Network information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get network information

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getNetwork"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getNetwork"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getNetwork"
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getNetwork"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "friendbotUrl": "https://friendbot-futurenet.stellar.org/",
    "passphrase": "Test SDF Future Network ; October 2022",
    "protocolVersion": 20
  }
}

getTransaction

Get transaction details

POST

https://soroban-futurenet.nownodes.io/rpc

The getTransaction method provides details about the specified transaction

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

hashstringrequired

Response

200OK

Transaction details retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get transaction details

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getTransaction",
    "params": {
      "hash": "6bc97bddc21811c626839baf4ab574f4f9f7ddbebb44d286ae504396d4e752da"
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getTransaction",
      "params": {
        "hash": "6bc97bddc21811c626839baf4ab574f4f9f7ddbebb44d286ae504396d4e752da"
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getTransaction",
  "params": {
    "hash": "6bc97bddc21811c626839baf4ab574f4f9f7ddbebb44d286ae504396d4e752da"
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getTransaction",
  "params": {
    "hash": "6bc97bddc21811c626839baf4ab574f4f9f7ddbebb44d286ae504396d4e752da"
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "status": "SUCCESS",
    "latestLedger": 2540076,
    "latestLedgerCloseTime": "1700086333",
    "oldestLedger": 2538637,
    "oldestLedgerCloseTime": "1700078796",
    "applicationOrder": 1,
    "envelopeXdr": "string",
    "resultXdr": "string",
    "resultMetaXdr": "string",
    "ledger": 2540064,
    "createdAt": "1700086268"
  }
}

getTransactions

Get transactions

POST

https://soroban-futurenet.nownodes.io/rpc

Method returns a detailed list of transactions starting from the user specified starting point

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

startLedgerintegerrequired

paginationobject

Show child attributes

limitinteger

Response

200OK

Transactions retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get transactions

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getTransactions",
    "params": {
      "startLedger": 337272,
      "pagination": {
        "limit": 5
      }
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getTransactions",
      "params": {
        "startLedger": 337272,
        "pagination": {
          "limit": 5
        }
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getTransactions",
  "params": {
    "startLedger": 337272,
    "pagination": {
      "limit": 5
    }
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getTransactions",
  "params": {
    "startLedger": 337272,
    "pagination": {
      "limit": 5
    }
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "transactions": [
      {
        "status": "SUCCESS",
        "txHash": "string",
        "applicationOrder": 0,
        "feeBump": true,
        "envelopeXdr": "string",
        "resultXdr": "string",
        "resultMetaXdr": "string",
        "events": {
          "transactionEventsXdr": [
            "string"
          ],
          "contractEventsXdr": [
            [
              "string"
            ]
          ]
        },
        "ledger": 0,
        "createdAt": 0
      }
    ],
    "latestLedger": 353482,
    "latestLedgerCloseTimestamp": 1752036440,
    "oldestLedger": 337151,
    "oldestLedgerCloseTimestamp": 1751954719,
    "cursor": "1448572209876993"
  }
}

getVersionInfo

Get version information

POST

https://soroban-futurenet.nownodes.io/rpc

Version information about the RPC and Captive core

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Version information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Get version information

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getVersionInfo"
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getVersionInfo"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getVersionInfo"
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getVersionInfo"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "version": "23.0.1",
    "commit_hash": "fcd2f0523f04279bae4502f3e3fa00ca627e6f6a",
    "build_time_stamp": "2025-05-10T11:18:38",
    "captive_core_version": "stellar-core 23.0.1 (050eacf11a15afb2e95560dfb5723dfdcf78070f)",
    "protocol_version": 23
  }
}

simulateTransaction

Simulate transaction

POST

https://soroban-futurenet.nownodes.io/rpc

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

paramsobjectrequired

Show child attributes

transactionstringrequired

resourceConfigobject

Show child attributes

instructionLeewayinteger

Response

200OK

Transaction simulation completed successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Authorization

ApiKeyAuthapiKey in header

Simulate transaction

curl -X POST 'https://soroban-futurenet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "simulateTransaction",
    "params": {
      "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAAEQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAJaW5jcmVtZW50AAAAAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAMAAAAAAAAAAAAAAAA=",
      "resourceConfig": {
        "instructionLeeway": 3000000
      }
    }
  }'

const response = await fetch('https://soroban-futurenet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "simulateTransaction",
      "params": {
        "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAAEQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAJaW5jcmVtZW50AAAAAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAMAAAAAAAAAAAAAAAA=",
        "resourceConfig": {
          "instructionLeeway": 3000000
        }
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "simulateTransaction",
  "params": {
    "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAAEQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAJaW5jcmVtZW50AAAAAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAMAAAAAAAAAAAAAAAA=",
    "resourceConfig": {
      "instructionLeeway": 3000000
    }
  }
}

response = requests.post('https://soroban-futurenet.nownodes.io/rpc', json=payload)
data = response.json()

Request Body

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "simulateTransaction",
  "params": {
    "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAAEQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAGAAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAJaW5jcmVtZW50AAAAAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAMAAAAAAAAAAAAAAAA=",
    "resourceConfig": {
      "instructionLeeway": 3000000
    }
  }
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "transactionData": "AAAAAAAAAAIAAAAGAAAAAcwD/nT9D7Dc2LxRdab+2vEUF8B+XoN7mQW21oxPT8ALAAAAFAAAAAEAAAAHy8vNUZ8vyZ2ybPHW0XbSrRtP7gEWsJ6zDzcfY9P8z88AAAABAAAABgAAAAHMA/50/Q+w3Ni8UXWm/trxFBfAfl6De5kFttaMT0/ACwAAABAAAAABAAAAAgAAAA8AAAAHQ291bnRlcgAAAAASAAAAAAAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAAEAHfKyAAAFiAAAAIgAAAAAAAAAAw==",
    "minResourceFee": "90353",
    "events": [
      "AAAAAQAAAAAAAAAAAAAAAgAAAAAAAAADAAAADwAAAAdmbl9jYWxsAAAAAA0AAAAgzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAAPAAAACWluY3JlbWVudAAAAAAAABAAAAABAAAAAgAAABIAAAAAAAAAACDh1sDGwYAYgJ8EbeJPZwoZhDqEriwlbNnqivULm/oYAAAAAwAAAAM=",
      "AAAAAQAAAAAAAAABzAP+dP0PsNzYvFF1pv7a8RQXwH5eg3uZBbbWjE9PwAsAAAACAAAAAAAAAAIAAAAPAAAACWZuX3JldHVybgAAAAAAAA8AAAAJaW5jcmVtZW50AAAAAAAAAwAAAAw="
    ],
    "results": [
      {
        "auth": [
          "string"
        ],
        "xdr": "AAAAAwAAAAw="
      }
    ],
    "cost": {
      "cpuInsns": "1635562",
      "memBytes": "1295756"
    },
    "latestLedger": 2552139
  }
}

Documentation

Authentication

FUTURENET

sendTransaction

Body

Response

Authorization

getEvents

Body

Response

Authorization

getFeeStats

Body

Response

Authorization

getHealth

Body

Response

Authorization

getLatestLedger

Body

Response

Authorization

getLedgerEntries

Body

Response

Authorization

getLedgers

Body

Response

Authorization

getNetwork

Body

Response

Authorization

getTransaction

Body

Response

Authorization

getTransactions

Body

Response

Authorization

getVersionInfo

Body

Response

Authorization

simulateTransaction

Body

Response

Authorization

TESTNET

sendTransaction

Body

Response

Authorization

getEvents

Body

Response

Authorization

getFeeStats

Body

Response

Authorization

getHealth

Body

Response

Authorization

getLatestLedger

Body

Response

Authorization

getLedgerEntries

Body

Response

Authorization

getLedgers

Body

Response

Authorization