{"domain":"docs.stripe.com","origin":"https://docs.stripe.com","probedAt":"2026-09-01T14:17:13.094Z","callabilityProbedAt":"2026-09-01T15:08:30.198Z","reachable":true,"ucp":null,"fixes":[{"id":"ucp.missing","protocol":"ucp","problem":"No machine UCP profile at /.well-known/ucp.","fix":"Publish JSON with a YYYY-MM-DD version, services, capabilities, and payment_handlers.","spec":"https://ucp.dev"},{"id":"x402.missing","protocol":"x402","problem":"No x402 challenge on the homepage or /.well-known/x402.","fix":"If you sell machine calls, return HTTP 402 with a PAYMENT-REQUIRED header. Vokko never sends PAYMENT-SIGNATURE to you.","spec":"https://www.x402.org"},{"id":"mpp.missing","protocol":"mpp","problem":"No WWW-Authenticate: Payment challenge on the observed GETs.","fix":"If you speak MPP, challenge with WWW-Authenticate: Payment. There is no public /.well-known/mpp.","spec":"https://docs.stripe.com"},{"id":"tap.missing","protocol":"tap","problem":"No HTTP Message Signatures directory.","fix":"GET /.well-known/http-message-signatures-directory should return JSON 200 if you speak TAP.","spec":"https://corporate.visa.com"},{"id":"mcp.partial","protocol":"mcp","problem":"MCP path did not return a JSON manifest.","fix":"Serve application/json, not HTML, at the MCP well-known path.","spec":"https://modelcontextprotocol.io"},{"id":"a2a.missing","protocol":"a2a","problem":"No A2A agent card.","fix":"Publish /.well-known/agent-card.json (preferred) or /.well-known/agent.json with name and skills.","spec":"https://a2a-protocol.org"},{"id":"openapi.missing","protocol":"openapi","problem":"No OpenAPI document at the usual paths.","fix":"Publish /openapi.json (or /.well-known/openapi.json) if you have an HTTP API.","spec":"https://www.openapis.org"}],"protocols":[{"id":"ucp","status":"absent","version":null,"details":{}},{"id":"acp","status":"undiscoverable","version":null,"details":{"spec":"https://www.agenticcommerce.dev/","reason":"acp_has_no_public_well_known"}},{"id":"ap2","status":"absent","version":null,"details":{}},{"id":"tap","status":"absent","version":null,"details":{}},{"id":"mcp","status":"partial","version":null,"details":{}},{"id":"a2a","status":"absent","version":null,"details":{}},{"id":"x402","status":"absent","version":null,"details":{}},{"id":"mpp","status":"absent","version":null,"details":{"note":"no_public_well_known"}},{"id":"llms","status":"present","version":null,"details":{"bytes":8188}},{"id":"ai-plugin","status":"absent","version":null,"details":{}},{"id":"openapi","status":"absent","version":null,"details":{}}]}