A directory of services AI agents can actually use — APIs, tools and merchants with machine-readable interfaces and agent payment protocols. Badges are probe-backed, never self-asserted.
Payments·Rails and facilitators — x402, MPP, L402
Payments
Open spec from OpenAI and Stripe for agent-initiated checkout — product feeds, checkout endpoints, and scoped delegated payment tokens with the merchant staying merchant of record
Open commerce standard from Google and Shopify for agentic shopping journeys across retailers, pairing with AP2 for the payment leg
Payments
Open framework using HTTP Message Signatures (RFC 9421) so merchants can recognize and trust a legitimate agent before it transacts
Same query as JSON: /api/v1/services?category=pay&auth_method=none
