Send raw transaction (synchronous)

POST

https://robinhood.nownodes.io/

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Submits a signed, RLP-encoded transaction and blocks until the receipt is available, then returns it.

Body

application/json

JSON-RPC 2.0 request to the Robinhood Chain mainnet endpoint.

Request payload for Send raw transaction (synchronous).

jsonrpcstring

JSON-RPC protocol version.

methodstring

JSON-RPC method name.

paramsArray<string>

Array containing one parameter - the signed transaction data in hex format (0x-prefixed)

idinteger

Client-provided request identifier echoed in the response.

Response

200OK

Successful response with transaction receipt. Returns the transaction receipt if the transaction was successfully mined.

400Bad Request

Invalid request or transaction data

500Internal Server Error

Transaction execution failed

Send raw transaction (synchronous)

curl -X POST 'https://robinhood.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "eth_sendRawTransactionSync",
    "params": [
      "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
    ],
    "id": 1
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://robinhood.nownodes.io/");
const result = await provider.send("eth_sendRawTransactionSync", [
  "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
]);
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://robinhood.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "eth_sendRawTransactionSync",
  "params": [
    "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
  ],
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://robinhood.nownodes.io/"))
response = w3.provider.make_request("eth_sendRawTransactionSync", [
  "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://robinhood.nownodes.io/"),
});

const result = await client.request({
  method: "eth_sendRawTransactionSync",
  params: [
  "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
],
});

console.log(result);

const endpoint = "https://robinhood.nownodes.io/";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({ jsonrpc: "2.0", method: "eth_sendRawTransactionSync", params: [
  "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
], id: 1 });
console.log(result);

const response = await fetch('https://robinhood.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "eth_sendRawTransactionSync",
      "params": [
        "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "eth_sendRawTransactionSync",
  "params": [
    "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
  ],
  "id": 1
}

response = requests.post('https://robinhood.nownodes.io/', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://robinhood.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "method": "eth_sendRawTransactionSync",
    "params": [
      "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
    ],
    "id": 1
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "jsonrpc": "2.0",
  "method": "eth_sendRawTransactionSync",
  "params": [
    "0x02f86c82123780843b9aca0084773594008252089411111111111111111111111111111111111111118080c001a01111111111111111111111111111111111111111111111111111111111111111a02222222222222222222222222222222222222222222222222222222222222222"
  ],
  "id": 1
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x73d7fbd0a37e8f63f2f7d1cd0e1b0bfa37aa6cd223d5488019dd7ae2a96936ef"
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "recovery failed"
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32602,
    "message": "invalid argument 0: hex string without 0x prefix"
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32000,
    "message": "transaction failed: insufficient funds for gas * price + value"
  }
}

Documentation

How to migrate to NOWNodes

Send raw transaction (synchronous)

Authorizations

Body

Response