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POST
eth_getTransactionByBlockHashAndIndex
curl --request POST \
  --url https://monad-testnet.core.chainstack.com/9c5b265f20b3ea5df4f54f70eb74b800/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_getTransactionByBlockHashAndIndex",
  "params": [
    "0xf3cf930f1b4d9637134d09f126c57c30c3f4f40edf10ba502486b26d14b4f944",
    "0x0"
  ]
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {}
}
Monad API method that returns information about a transaction by block hash and transaction index position. This method allows you to retrieve a specific transaction from a block when you know both the block hash and the transaction’s position within that block.
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​
Parameters

  • data — the 32-byte hash of the block.
  • quantity — the transaction index position within the block, encoded as hexadecimal.

​
Response

  • result — the transaction object, or null when no transaction was found:
    • blockHash — hash of the block containing this transaction
    • blockNumber — number of the block containing this transaction
    • from — address of the sender
    • gas — gas provided by the sender
    • gasPrice — gas price in wei
    • hash — hash of the transaction
    • input — the data sent along with the transaction
    • nonce — number of transactions made by the sender
    • to — address of the receiver
    • transactionIndex — integer of the transaction’s index position
    • value — value transferred in wei
    • v, r, s — signature values

​
eth_getTransactionByBlockHashAndIndex code examples

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

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

async function getTransactionByIndex() {
  const blockHash = "0xf3cf930f1b4d9637134d09f126c57c30c3f4f40edf10ba502486b26d14b4f944";
  const index = "0x0"; // First transaction
  const tx = await provider.send("eth_getTransactionByBlockHashAndIndex", [blockHash, index]);
  console.log(tx);
}

getTransactionByIndex();

​
Use case

A practical use case for eth_getTransactionByBlockHashAndIndex is iterating through all transactions in a block when analyzing block contents, or retrieving specific transactions based on their execution order.

Body

application/json
​
id
integer
default:1
​
jsonrpc
string
default:2.0
​
method
string
default:eth_getTransactionByBlockHashAndIndex
​
params
string[]

Response

200 - application/json

The transaction object.

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