Simple integration, powerful results
Interface402 removes all the complexity from x402 payment integration. Focus on building your app, not wrestling with payment infrastructure.
Everything you need,
nothing you don't
We built Interface402 to be stupidly simple. No blockchain jargon, no complicated setup, no headaches. Just clean APIs that make x402 payments feel like regular HTTP requests.
Dead Simple Integration
Copy, paste, done. Our API is so straightforward you'll be accepting x402 payments before your coffee gets cold. No PhD in blockchain required.
Learn moreQuick Setup
No complicated onboarding, no lengthy verification. Sign up, get your API key, and start processing payments immediately.
Learn moreAlways Available
Reliable payment processing you can count on. Our infrastructure handles the heavy lifting so you don't have to worry about downtime.
Learn moreReal-Time Updates
Track payments as they happen with WebSocket support. Get instant notifications when transactions complete without polling our API.
Learn moreMulti-Chain Ready
Support multiple blockchains through one simple interface. Switch between Solana, Ethereum, and more without changing your code.
Learn moreWorks Everywhere
Built to handle traffic from anywhere in the world. Low latency connections ensure fast payment processing for all your users.
Learn moreVerify Your First x402 Payment
Here's how to verify an x402 payment using Interface402 using our powerful yet simple API:
const response = await fetch('https://api.interface402.dev/v1/payments/verify', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer YOUR_API_KEY'
},
body: JSON.stringify({
payment_proof: 'BASE64_ENCODED_PAYMENT_PROOF',
amount: 1000000,
recipient: 'YOUR_WALLET_ADDRESS',
network: 'solana'
})
});
const data = await response.json();
console.log('Payment verified:', data);