Coinbase Revives Forgotten Web Payment Code

Coinbase Revives HTTP 402 with x402 Protocol for Crypto Payments

• x402 allows payments without registration, emails, or complex signatures.
• The protocol uses a single line of code for web-based crypto payments.
• It revives the HTTP 402 payment status code, enabling stablecoin transactions.
• x402 is compatible with any blockchain and targets AI agents in finance.
• A built-in verification step protects against replay attacks.

Coinbase has introduced the x402 protocol to streamline crypto payments on the web. By leveraging the long-unused HTTP 402 status code, it facilitates simple and secure transactions using stablecoins, enhancing both human and AI agent interactions in digital commerce.