{"uid":"cap_-vfoxgnIEJLJHUWjF2BEG","slug":"pennyrail-openapi-search-endpoint-66982904","name":"PennyRail OpenAPI Search Endpoint","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/openapi.search--openapi-endpoint-search?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_19YmLC6Iv6_KGIG7F1Fy4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches OpenAPI endpoint metadata within the PennyRail settlement network for discovery and routing purposes","exampleAgentPrompt":"Search PennyRail's endpoint registry for any OpenAPI APIs related to payment settlement or x402 micropayments and show me what's available.","exampleUseCases":[{"title":"Discover payment-enabled APIs","prompt":"Can you search the PennyRail registry for any endpoints related to stablecoin or USDC payments so I know what APIs I can call with micropayments?"},{"title":"Find APIs by capability keyword","prompt":"Look up OpenAPI endpoints on PennyRail that have anything to do with 'search' or 'data extraction' — I want to see what's indexed there."},{"title":"Audit available settlement endpoints","prompt":"Pull up all the OpenAPI endpoint listings on PennyRail so I can review which services support x402 machine-readable settlement."}],"resultDescription":"Returns a loosely-structured JSON object containing matching OpenAPI endpoint records, including descriptions, schemas, pricing, and discovery metadata from the PennyRail registry. The exact shape of the response is flexible (additionalProperties: true).","failureModes":["Missing or malformed 'input' object returns a validation error","Empty search yields no results or an empty response body","Overly broad queries may return noisy or unrelated endpoint records","Payment of $0.001 USDC required per call — unpaid requests will be rejected with HTTP 402","Network or Vercel cold-start latency may cause occasional timeouts"],"whenToPreferThis":"Use this endpoint when an agent needs to discover or search for x402-compatible OpenAPI endpoints within the PennyRail ecosystem. It is best suited for agent-to-agent or meta-discovery workflows where the agent needs to find what APIs are available before calling them. Prefer this over generic web search when looking specifically for machine-readable, settlement-ready APIs indexed in the PennyRail registry.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T06:49:36.647Z","isFirstParty":false,"canonicalSlug":"pennyrail-openapi-search-endpoint-66982904"}