starknet_getBlockWithTxs - STRK

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

This method returns a block's header together with the full body of every transaction it contains, given a block_id. It is used when transaction contents are needed alongside block metadata.

Parameters

Parameter	Type	Required	Description
block_id	object	string	Yes

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_getBlockWithTxs",
    "params": [{ "block_hash": "0x041b10c45dc3f39372f7b9409261cac9d880c5d75a5bb077d028db20b1bd76c4" }],
    "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_getBlockWithTxs',
    params: [{ block_hash: '0x041b10c45dc3f39372f7b9409261cac9d880c5d75a5bb077d028db20b1bd76c4' }],
    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_getBlockWithTxs',
        'params': [{ 'block_hash': '0x041b10c45dc3f39372f7b9409261cac9d880c5d75a5bb077d028db20b1bd76c4' }],
        '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_getBlockWithTxs",
            "params": [{ "block_hash": "0x041b10c45dc3f39372f7b9409261cac9d880c5d75a5bb077d028db20b1bd76c4" }],
            "id": "getblock.io"
        }))
        .send()
        .await?
        .json::<Value>()
        .await?;

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

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "status": "ACCEPTED_ON_L1",
        "block_hash": "0x041b10c45dc3f39372f7b9409261cac9d880c5d75a5bb077d028db20b1bd76c4",
        "block_number": 700000,
        "timestamp": 1710000000,
        "sequencer_address": "0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b",
        "starknet_version": "0.13.2",
        "transactions": [
            {
                "transaction_hash": "0x5fb5b63f0226ef426c81168d0235269398b63aa145ca6a3c47294caa691cfdc",
                "type": "INVOKE",
                "version": "0x1",
                "nonce": "0x2a",
                "sender_address": "0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b",
                "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	Block header plus full transactions (see fields below)

Result Object

Field	Type	Description
block_hash	string	Hash of the block
transactions	array	Full transaction objects (type, version, calldata, signature)
sequencer_address	string	Address of the sequencer that produced the block

Use Cases

• Transaction Indexing: Ingest full transaction bodies per block

• Calldata Decoding: Decode INVOKE calldata into contract calls

• Explorer Backends: Render block detail pages with transactions

• Analytics: Aggregate transaction types per block

Error Handling

Error	Message	Description
24 / BLOCK_NOT_FOUND	Block not found	No block matches the supplied block_id
403 / RBAC: access denied	Access denied	The GetBlock access token is missing or incorrect