Authentification

curl "https://mainnet.helius-rpc.com/?api-key=YOUR_API_KEY" \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"getAccountInfo","params":["ACCOUNT_ADDRESS"]}'

const url = `https://mainnet.helius-rpc.com/?api-key=${YOUR_API_KEY}`;
const response = await fetch(url, {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    jsonrpc: '2.0',
    id: 1,
    method: 'getAccountInfo',
    params: ['ACCOUNT_ADDRESS']
  })
});

import requests

url = f"https://mainnet.helius-rpc.com/?api-key={YOUR_API_KEY}"
payload = {
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getAccountInfo",
    "params": ["ACCOUNT_ADDRESS"]
}
response = requests.post(url, json=payload)

async function makeRequest(url, data) {
  try {
    const response = await fetch(url, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(data)
    });
    
    if (response.status === 429) {
      const retryAfter = response.headers.get('Retry-After');
      console.log(`Rate limited. Retry after ${retryAfter} seconds`);
      await new Promise(resolve => setTimeout(resolve, retryAfter * 1000));
      return makeRequest(url, data); // Retry
    }
    
    return response.json();
  } catch (error) {
    console.error('Request failed:', error);
    throw error;
  }
}

import time
import requests

def make_request(url, data):
    try:
        response = requests.post(url, json=data)
        
        if response.status_code == 429:
            retry_after = int(response.headers.get('Retry-After', 60))
            print(f"Rate limited. Waiting {retry_after} seconds...")
            time.sleep(retry_after)
            return make_request(url, data)  # Retry
        
        response.raise_for_status()
        return response.json()
    except requests.exceptions.RequestException as e:
        print(f"Request failed: {e}")
        raise