starknet_getTransactionByHash - STRK

Example code for the starknet_getTransactionByHash JSON-RPC method. Complete guide on how to use starknet_getTransactionByHash JSON-RPC in GetBlock Web3 documentation.

This method returns the full body of a transaction identified by its hash, including its type, version, signature, and calldata.

Parameters

Parameter	Type	Required	Description
transaction_hash	string	Yes	The transaction hash to look up

Request

cURL

curl --location --request POST 'https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "starknet_getTransactionByHash",
    "params": ["0x5fb5b63f0226ef426c81168d0235269398b63aa145ca6a3c47294caa691cfdc"],
    "id": "getblock.io"
}'

Axios

example.js

const axios = require('axios');

const response = await axios.post('https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/', {
    jsonrpc: '2.0',
    method: 'starknet_getTransactionByHash',
    params: ['0x5fb5b63f0226ef426c81168d0235269398b63aa145ca6a3c47294caa691cfdc'],
    id: 'getblock.io'
}, {
    headers: { 'Content-Type': 'application/json' }
});

console.log(response.data.result);

Request

example.py

import requests

response = requests.post(
    'https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/',
    headers={'Content-Type': 'application/json'},
    json={
        'jsonrpc': '2.0',
        'method': 'starknet_getTransactionByHash',
        'params': ['0x5fb5b63f0226ef426c81168d0235269398b63aa145ca6a3c47294caa691cfdc'],
        'id': 'getblock.io'
    }
)

print(response.json())

Rust

example.rs

use reqwest::Client;
use serde_json::{json, Value};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();

    let response = client
        .post("https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/")
        .header("Content-Type", "application/json")
        .json(&json!({
            "jsonrpc": "2.0",
            "method": "starknet_getTransactionByHash",
            "params": ["0x5fb5b63f0226ef426c81168d0235269398b63aa145ca6a3c47294caa691cfdc"],
            "id": "getblock.io"
        }))
        .send()
        .await?
        .json::<Value>()
        .await?;

    println!("Result: {}", response["result"]);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "transaction_hash": "0x5fb5b63f0226ef426c81168d0235269398b63aa145ca6a3c47294caa691cfdc",
        "type": "INVOKE",
        "version": "0x1",
        "nonce": "0x0",
        "max_fee": "0x1ff973cafa7fff",
        "sender_address": "0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b",
        "signature": [
            "0x5a1c0af2b96c461a9753e383107e2bba1849cdf6029ffaa2b97533ada03789f"
        ],
        "calldata": [
            "0x1",
            "0x049d36570d4e46f48e99674bd3fcc84644ddd6b96f7c741b1562b82f9e004dc7",
            "0x2e4263afad30923c891518314c3c95dbe830a16874e8abc5777a9a20b54c76e",
            "0x1",
            "0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b"
        ]
    }
}

Response Parameters

Parameter	Type	Description
jsonrpc	string	JSON-RPC protocol version ("2.0")
id	string	Request identifier matching the request
result	object	Transaction body (see fields below)

Result Object

Field	Type	Description
type	string	Transaction type (INVOKE, DECLARE, DEPLOY_ACCOUNT, L1_HANDLER)
sender_address	string	Account that sent the transaction
calldata	array	Encoded call arguments as felts
signature	array	Account signature over the transaction hash

Use Cases

• Transaction Lookup: Fetch a transaction body by hash

• Calldata Decoding: Decode the calls packed into an INVOKE

• Wallet History: Populate transaction detail views

• Debugging: Inspect a submitted transaction's fields

Error Handling

Error	Message	Description
29 / TXN_HASH_NOT_FOUND	Transaction hash not found	No transaction matches the supplied hash
403 / RBAC: access denied	Access denied	The GetBlock access token is missing or incorrect