x402 Track Complete!
π
The Future of Web-Native Payments
From HTTP 402 to AI agent payments, let's revisit the core of blockchain-based web payment protocols.
π
HTTP 402
The web standard status code signaling payment is required
π
x402 Payment Flow
An automatic payment protocol leveraging HTTP 402
π§Ύ
Payment Proof
A mechanism verifying payments through blockchain signatures
π€
Facilitator
The intermediary role mediating payments between client and server
π€
AI Agent Payments
Scenarios where AI autonomously pays for API costs
π οΈ
x402 Implementation
How to build the x402 protocol in practice