OpenAI API
Models
GPT-5 series models, embeddings, and the Responses API with native MCP and tool use
OpenAPIACPMPP
API keypay-per-token
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.
Models
GPT-5 series models, embeddings, and the Responses API with native MCP and tool use
Payments
Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents
Merchants
Universal commerce API for agent-initiated purchases across Shopify and major retailers
Payments
Network tokens and credentials for approved agents, plus one endpoint bridging TAP, MPP, ACP and UCP
Merchants
Agentic checkout that makes any digital surface shoppable while the merchant stays merchant of record
Payments
Wallet and mandate infrastructure for agentic checkout, aligned to ACP flows
Same query as JSON: /api/v1/services?protocol=acp&auth_method=api-key