API Proxy with Blockchain Payments

Nitrograph is a production-ready API proxy platform with X402 payment protocol support, blockchain integration, and comprehensive request management.

Get 1000 free credits when you sign up

Quick Stats
100+
Active APIs
1M+
Requests/Day
99.9%
Uptime
24/7
Support

Key Features

Everything you need for API monetization and management

X402 Payment Protocol

Industry-standard HTTP 402 status with detailed payment instructions. Seamless integration with MetaMask and blockchain wallets.

Dual Payment System

Use credits for convenience or NOS tokens for blockchain payments. Automatic fallback ensures uninterrupted service.

Blockchain Integration

Built on Base Sepolia with smart contracts for payments, token management, and faucet distribution.

Rate Limiting

Configurable rate limits per user and endpoint. Protect your APIs from abuse while ensuring fair usage.

Analytics & Logs

Comprehensive request logging with detailed analytics. Track usage, earnings, and performance metrics in real-time.

AI-Powered Docs

Gemini AI automatically extracts and formats API documentation. Generate agent-readable formats for better integration.

How It Works

Get started in minutes

1
Sign Up

Create your free account and receive 1000 credits instantly

2
Register API

Add your API with pricing, authentication, and free paths

3
Share Proxy URL

Get your unique proxy URL and share it with users

4
Earn Money

Receive payments automatically for each API request

Built on Base Sepolia

Nitrograph leverages the power of blockchain technology with smart contracts deployed on Base Sepolia testnet.

  • NOS Token: ERC20 token for payments
  • Merchant Contract: Automated payment processing
  • Faucet: Get free NOS tokens for testing
  • Platform Fee: Only 2.5% per transaction
View on Basescan
// Example: Making a request with X402 payment
const response = await fetch(
  'https://access.nitrograph.dev/proxy/your-api/endpoint',
  {
    headers: {
      'X-Wallet-Address': '0xYourWallet...'
    }
  }
);

if (response.status === 402) {
  // Payment required - get payment details
  const payment = await response.json();
  // Process payment via MetaMask
  await processPayment(payment.paymentDetails);
}

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