HTTP finally gets paid. An open protocol and TypeScript SDK for HTTP 402 Payment Required.

AgentBureau provides the legal and physical infrastructure for AI agents to operate within the German jurisdiction. We bridge the gap between digital intelligence and real-world action by providing "Embodiment-as-a-Service." Through our API, agents can perform legally binding actions—like sending faxes, mailing physical letters, issuing invoices

Public‑facing messaging and documentation for X402 Postage, the content‑packaging engine with delivery logic built in.

Solana state-channel payment protocol for streaming LLM inference. Either side can halt at any output-token boundary; settlement only ever moves USDC for output the consumer actually accepted. Built on x402.