Home / 📡 Communication / HTTP 402 Payment Protocol (x402)
📡 Communication active v1.0.0

HTTP 402 Payment Protocol (x402)

by Coinbase/x402 Foundation ★ 6,080
An open standard for internet-native payments built on the HTTP 402 status code. x402 enables AI agents and applications to pay for API access, content, and services with zero friction — no accounts, KYC, or API keys required. Money moves at the speed of the internet using stablecoins on any blockchain network.

📄 Specification

Category 📡 Communication
Version1.0.0
MaintainerCoinbase/x402 Foundation
Status active
Sourcegithub.com/x402-foundation/x402
GitHub Stars★ 6,080

💻 Code Examples

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Discovered May 20, 2026
Last updated May 20, 2026