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POST
eth_getBlockByHash
curl --request POST \
  --url https://monad-testnet.core.chainstack.com/9c5b265f20b3ea5df4f54f70eb74b800/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_getBlockByHash",
  "params": [
    "0xf3cf930f1b4d9637134d09f126c57c30c3f4f40edf10ba502486b26d14b4f944",
    false
  ]
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {}
}
Monad API method that returns information about a block by block hash. This method allows you to retrieve detailed information about a specific block using its unique hash identifier.
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​
Parameters

  • data — the 32-byte hash of the block.
  • boolean — if true, returns the full transaction objects; if false, returns only the hashes of the transactions.

​
Response

  • result — the block object, or null when no block was found. See eth_getBlockByNumber for the full response structure.

​
eth_getBlockByHash code examples

const { ethers } = require("ethers");

const provider = new ethers.JsonRpcProvider("CHAINSTACK_NODE_URL");

async function getBlockByHash() {
  const blockHash = "0xf3cf930f1b4d9637134d09f126c57c30c3f4f40edf10ba502486b26d14b4f944";
  const block = await provider.getBlock(blockHash);
  console.log(block);
}

getBlockByHash();

​
Use case

A practical use case for eth_getBlockByHash is verifying block data when you have a specific block hash from a transaction receipt or external source.

Body

application/json
​
id
integer
default:1
​
jsonrpc
string
default:2.0
​
method
string
default:eth_getBlockByHash
​
params
(string | boolean)[]

The block hash

Response

200 - application/json

The block information.

​
jsonrpc
string
​
id
integer
​
result
object
Last modified on May 18, 2026