Get version information

POST

https://soroban-testnet.nownodes.io/rpc

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Version information about the RPC and Captive core

Body

application/json

jsonrpcstringrequired

idintegerrequired

methodstringrequired

Response

200OK

Version information retrieved successfully

400Bad Request

Bad Request

401Unauthorized

Unauthorized — Missing or invalid API key

500Internal Server Error

Internal Server Error

Get version information

curl -X POST 'https://soroban-testnet.nownodes.io/rpc' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getVersionInfo"
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://soroban-testnet.nownodes.io/rpc");
const result = await provider.send("getVersionInfo", []);
console.log(result);

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

uri = URI('https://soroban-testnet.nownodes.io/rpc')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "getVersionInfo",
  "params": [],
  "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://soroban-testnet.nownodes.io/rpc"))
response = w3.provider.make_request("getVersionInfo", [])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://soroban-testnet.nownodes.io/rpc"),
});

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

console.log(result);

const endpoint = "https://soroban-testnet.nownodes.io/rpc";
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: "getVersionInfo", params: [], id: 1 });
console.log(result);

const response = await fetch('https://soroban-testnet.nownodes.io/rpc', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "id": 8675309,
      "method": "getVersionInfo"
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "id": 8675309,
  "method": "getVersionInfo"
}

response = requests.post('https://soroban-testnet.nownodes.io/rpc', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://soroban-testnet.nownodes.io/rpc')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "id": 8675309,
    "method": "getVersionInfo"
  }'

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",
  "id": 8675309,
  "method": "getVersionInfo"
}

200

{
  "jsonrpc": "2.0",
  "id": 8675309,
  "result": {
    "version": "23.0.1",
    "commit_hash": "fcd2f0523f04279bae4502f3e3fa00ca627e6f6a",
    "build_time_stamp": "2025-05-10T11:18:38",
    "captive_core_version": "stellar-core 23.0.1 (050eacf11a15afb2e95560dfb5723dfdcf78070f)",
    "protocol_version": 23
  }
}

Documentation

How to migrate to NOWNodes

Get version information

Authorizations

Body

Response