Multi-chain x402 Payment Protocol

Pay with any token on any chain. Unlock instant access to premium API resources with real-time settlement powered by cutting-edge blockchain technology.

4+
Chains
∞
Transactions
X402
Router
Base
Sepolia
Arbitrum
Optimism

How It Works

Seamless cross-chain payments in three simple steps

1

Choose Your Chain

Select from Base, Sepolia, Arbitrum, or Optimism. Pay with USDC or DAI.

2

Sign Permit

Gasless payment authorization with EIP-2612 permit signatures.

3

Instant Access

Real-time settlement unlocks premium AI services immediately.

Supported Networks

Trade seamlessly across multiple blockchains

Base Sepolia

Lightning-fast L2

Sepolia

Ethereum testnet

Arbitrum Sepolia

Optimistic rollup

Optimism Sepolia

OP Stack L2

AI Services

Pay-as-you-go access powered by GROQ Llama 3.3

🎨

AI Image Generation

Create stunning visuals with advanced AI technology

Price: 1 USDC per request
📍

Location Intelligence

Get personalized place recommendations powered by AI

Price: 1 USDC per request

Ready to Experience X402?

Start using our premium AI services with seamless multi-chain payments

Get Started Now →
X402Protocol

Powered by GROQ Llama 3.3 AI • Multi-Chain Payment Router

Base • Sepolia • Arbitrum • Optimism