X402 Protocol Revives HTTP 402 to Power AI Agent Payments

The Solana Foundation and Coinbase are advancing the X402 protocol to build a native Web payment layer for AI agents. By reviving the dormant HTTP 402 status code, the protocol has already processed over $50 billion in on-chain microtransactions.

2026-08-04 ~ 2026-08-06 · 2 related posts

• HTTP 402 Revived: How the Unused Status Code Became the Backbone of AI Agent Payments — Crypto_APIs · 2026-08-04
• X402 Protocol Empowers AI Agents: On-Chain Micropayments Hit $50B Volume — kleffew94 · 2026-08-06