sendTransaction - Stellar

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

This method submits a signed transaction to the Stellar network. Unlike Horizon, this method does not wait for confirmation; use getTransaction to track the outcome.

Parameters

Parameter

Type

Description

transaction

string

Signed transaction envelope (base64-encoded XDR)

Request

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "sendTransaction",
    "params": {
        "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
    },
    "id": "getblock.io"
}'

sendTransaction.js

import axios from 'axios';

const data = JSON.stringify({
    "jsonrpc": "2.0",
    "method": "sendTransaction",
    "params": {
        "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
    },
    "id": "getblock.io"
});

const config = {
    method: 'post',
    url: 'https://go.getblock.io/<ACCESS-TOKEN>/',
    headers: {
        'Content-Type': 'application/json'
    },
    data: data
};

axios(config)
    .then(response => console.log(JSON.stringify(response.data)))
    .catch(error => console.log(error));

send_transaction.py

import requests
import json

url = "https://go.getblock.io/<ACCESS-TOKEN>/"

payload = json.dumps({
    "jsonrpc": "2.0",
    "method": "sendTransaction",
    "params": {
        "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
    },
    "id": "getblock.io"
})

headers = {
    'Content-Type': 'application/json'
}

response = requests.post(url, headers=headers, data=payload)
print(response.text)

main.rs

use reqwest::header;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = reqwest::Client::new();
    
    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header(header::CONTENT_TYPE, "application/json")
        .body(r#"{
            "jsonrpc": "2.0",
            "method": "sendTransaction",
            "params": {
                "transaction": "AAAAAgAAAAAg4dbAxsGAGICfBG3iT2cKGYQ6hK4sJWzZ6or1C5v6GAAAAGQAJsOiAAAADQAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAACgAAAAVIZWxsbwAAAAAAAAEAAAAMU29yb2JhbiBEb2NzAAAAAAAAAAELm/oYAAAAQATr6Ghp/DNO7S6JjEFwcJ9a+dvI6NJr7I/2eQttvoovjQ8te4zKKaapC3mbmx6ld6YKL5T81mxs45TjzdG5zw0="
            },
            "id": "getblock.io"
        }"#)
        .send()
        .await?;
    
    println!("{}", response.text().await?);
    Ok(())
}

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": {
        "status": "PENDING",
        "hash": "d8ec9b68780314ffdfdfc2194b1b35dd27d7303c3bceaef6447e31631a1419dc",
        "latestLedger": 2553978,
        "latestLedgerCloseTime": "1700159337"
    }
}

Response Parameters

Field

Type

Description

status

string

Transaction status (PENDING, DUPLICATE, TRY_AGAIN_LATER, ERROR)

hash

string

Transaction hash

latestLedger

integer

Latest ledger at time of submission

latestLedgerCloseTime

string

Unix timestamp of latest ledger close

errorResultXdr

string

(optional) Error details if status is ERROR

Use Case

The sendTransaction method is essential for:

Submitting payments
Smart contract invocations
Asset transfers
Account operations
Trustline management
DEX order submission

Error Handling

Status Code

Error Message

Cause

403

Forbidden

Missing or invalid ACCESS-TOKEN

-32602

Invalid params

Invalid transaction format

ERROR

Transaction failed

Invalid signature, insufficient balance, etc.

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Last updated 1 month ago

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