starknet_addDeployAccountTransaction - STRK

This guide covers adding the network to a browser wallet, then deploying a simple contract using Foundry and Hardhat — pick whichever you prefer.

This method submits a signed DEPLOY_ACCOUNT transaction, deploying a new account contract at a counterfactual address, and returns the transaction hash and the deployed address.

Parameters

Parameter	Type	Required	Description
deploy_account_transaction	object	Yes	A signed DEPLOY_ACCOUNT transaction

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_addDeployAccountTransaction",
    "params": [{ "type": "DEPLOY_ACCOUNT", "version": "0x3", "nonce": "0x0", "class_hash": "0x01a736d6ed154502257f02b1ccdf4d9d1089f80811cd6acad48e6b6a9d1f2003", "contract_address_salt": "0x1", "constructor_calldata": ["0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b"], "signature": ["0x5a1c0af2b96c461a9753e383107e2bba1849cdf6029ffaa2b97533ada03789f"], "resource_bounds": { "l1_gas": { "max_amount": "0x1a4", "max_price_per_unit": "0x3b9aca00" }, "l2_gas": { "max_amount": "0x0", "max_price_per_unit": "0x0" } } }],
    "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_addDeployAccountTransaction',
    params: [{ type: 'DEPLOY_ACCOUNT', version: '0x3', nonce: '0x0', class_hash: '0x01a736d6ed154502257f02b1ccdf4d9d1089f80811cd6acad48e6b6a9d1f2003', contract_address_salt: '0x1', constructor_calldata: ['0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b'], signature: ['0x5a1c0af2b96c461a9753e383107e2bba1849cdf6029ffaa2b97533ada03789f'], resource_bounds: { l1_gas: { max_amount: '0x1a4', max_price_per_unit: '0x3b9aca00' }, l2_gas: { max_amount: '0x0', max_price_per_unit: '0x0' } } }],
    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_addDeployAccountTransaction',
        'params': [{ 'type': 'DEPLOY_ACCOUNT', 'version': '0x3', 'nonce': '0x0', 'class_hash': '0x01a736d6ed154502257f02b1ccdf4d9d1089f80811cd6acad48e6b6a9d1f2003', 'contract_address_salt': '0x1', 'constructor_calldata': ['0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b'], 'signature': ['0x5a1c0af2b96c461a9753e383107e2bba1849cdf6029ffaa2b97533ada03789f'], 'resource_bounds': { 'l1_gas': { 'max_amount': '0x1a4', 'max_price_per_unit': '0x3b9aca00' }, 'l2_gas': { 'max_amount': '0x0', 'max_price_per_unit': '0x0' } } }],
        '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_addDeployAccountTransaction",
            "params": [{ "type": "DEPLOY_ACCOUNT", "version": "0x3", "nonce": "0x0", "class_hash": "0x01a736d6ed154502257f02b1ccdf4d9d1089f80811cd6acad48e6b6a9d1f2003", "contract_address_salt": "0x1", "constructor_calldata": ["0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b"], "signature": ["0x5a1c0af2b96c461a9753e383107e2bba1849cdf6029ffaa2b97533ada03789f"], "resource_bounds": { "l1_gas": { "max_amount": "0x1a4", "max_price_per_unit": "0x3b9aca00" }, "l2_gas": { "max_amount": "0x0", "max_price_per_unit": "0x0" } } }],
            "id": "getblock.io"
        }))
        .send()
        .await?
        .json::<Value>()
        .await?;

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

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "transaction_hash": "0x5fb5b63f0226ef426c81168d0235269398b63aa145ca6a3c47294caa691cfdc",
        "contract_address": "0x07c57808b9cea7130c44aab2f8ca6147b04408943b48c6d8c3c83eb8cfdd8c0b"
    }
}

Response Parameters

Parameter	Type	Description
jsonrpc	string	JSON-RPC protocol version ("2.0")
id	string	Request identifier matching the request
result	object	transaction_hash and the deployed contract_address

Use Cases

• Account Creation: Deploy a smart-wallet account for a new user

• Counterfactual Deploy: Deploy at a pre-funded, pre-computed address

• Onboarding: Bootstrap account abstraction in a wallet

• Recovery Flows: Deploy a recovery account from a known class

Error Handling

Error	Message	Description
53 / INSUFFICIENT_RESOURCES_FOR_VALIDATE	Insufficient resources	The account cannot pay for validation
55 / ACCOUNT_VALIDATION_FAILED	Account validation failed	The deploy signature or constructor was rejected