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.
| Score |
|---|
 Stripe Agentic Commerce SuiteMCPOpenAPIllms.txtACPAP2MPPUCP Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents | Payments | ||
 Visa Intelligent CommerceOpenAPIMPPTAPACPUCPAP2ICC Network tokens and credentials for approved agents, plus one endpoint bridging TAP, MPP, ACP and UCP | Payments | ||
 KlarnaOpenAPIllms.txtUCP Pay-later and payment methods wired into agentic checkout, an early UCP adopter | Merchants | ||
 WalmartOpenAPIUCP Retail catalog and fulfillment reachable to agents through UCP-aligned commerce surfaces | Merchants | ||
 Targetllms.txtUCP Big-box retail inventory participating in UCP agentic shopping journeys | Merchants | ||
 WayfairUCP Home goods catalog participating in UCP agentic shopping journeys | Merchants |
Same query as JSON: /api/v1/services?protocol=ucp&auth_method=api-key