#402

HTTP 402 is the web-native standard for payments. A frictionless machine-to-machine protocol that allows agents to pay for APIs, compute resources, and data.

HTTP 402 Library for Lightning Payments

x402 client implementation (x402-fetch), HTTP 402 server implementation and Model Context Protocol (MCP) for P-Link.io : pay, send and receive money with agents

SPL Token + Pump.fun payment layer for the Machine Payments Protocol

Bridge between toll-booth and 402-announce — announce your toll-booth service on Nostr for decentralised paid API discovery