Get block by hash

POST

https://icx.nownodes.io/api/v3

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns a block from the ICON blockchain by its hash.

Body

application/json

JSON-RPC request object

idintegerrequired

Unique identifier for the JSON-RPC request.

jsonrpcstringrequired

JSON-RPC protocol version.

methodstringrequired

JSON-RPC method name.

paramsobjectrequired

Parameters for block query.

Show child attributes

hashstring

Block hash in hexadecimal format.

Response

200OK

Successful response containing the requested block.

Get block by hash

curl -X POST 'https://icx.nownodes.io/api/v3' \
  -H 'Content-Type: application/json' \
  -d '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "icx_getBlockByHash",
    "params": {
      "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
    }
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://icx.nownodes.io/api/v3");
const result = await provider.send("icx_getBlockByHash", {
  "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
});
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://icx.nownodes.io/api/v3')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "icx_getBlockByHash",
  "params": {
    "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
  },
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://icx.nownodes.io/api/v3"))
response = w3.provider.make_request("icx_getBlockByHash", {
  "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
})
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://icx.nownodes.io/api/v3"),
});

const result = await client.request({
  method: "icx_getBlockByHash",
  params: {
  "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
},
});

console.log(result);

const endpoint = "https://icx.nownodes.io/api/v3";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({ jsonrpc: "2.0", method: "icx_getBlockByHash", params: {
  "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
}, id: 1 });
console.log(result);

const response = await fetch('https://icx.nownodes.io/api/v3', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "id": 1,
      "jsonrpc": "2.0",
      "method": "icx_getBlockByHash",
      "params": {
        "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
      }
    }),
});

const data = await response.json();

import requests

payload = {
  "id": 1,
  "jsonrpc": "2.0",
  "method": "icx_getBlockByHash",
  "params": {
    "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
  }
}

response = requests.post('https://icx.nownodes.io/api/v3', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://icx.nownodes.io/api/v3')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "icx_getBlockByHash",
    "params": {
      "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
    }
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "icx_getBlockByHash",
  "params": {
    "hash": "0x5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab"
  }
}

200

{
  "jsonrpc": "2.0",
  "result": {
    "block_hash": "5faccd9589eaa7c2aa4d89afce1a97357b833509e614e8123bb60b6fe8d09eab",
    "confirmed_transaction_list": [
      {
        "data": {
          "result": {
            "coveredByFee": "0x0",
            "coveredByOverIssuedICX": "0x0",
            "issue": "0x1fecf5d301c8682c"
          }
        },
        "dataType": "base",
        "timestamp": "0x6462674d48bd4",
        "txHash": "0xeea6ca0f1835978fe1fbe8fd2b95052815edd4ad218aa08295bf4ce9a079bb10",
        "version": "0x3"
      }
    ],
    "height": 106574961,
    "merkle_tree_root_hash": "90f006355a9c94eab66ec43eab209ee1fc33b3e8dfaa7e598ce9702a4afd5a1e",
    "peer_id": "hx9f3a8fe47f4676004b802d62397838b2d5c966dd",
    "prev_block_hash": "5be5536d4cd791a66c5605851f4319788a45a8e621c8cce7840730bd6e3316a7",
    "signature": "",
    "time_stamp": 1765980843051988,
    "version": "2.0"
  },
  "id": 1
}

Documentation

How to migrate to NOWNodes

Get block by hash

Authorizations

Body

Response