{"uid":"cap_Wo0HVGe7nYsvcTSuyhFNz","slug":"pennyrail-openapi-search-f9511310","name":"PennyRail OpenAPI Search","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/openapi.search--openapi-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_Tuq-1iEzGSbSb9snybRkc","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 across OpenAPI specifications to find matching operations or endpoints given a query input","exampleAgentPrompt":"Search the PennyRail OpenAPI registry to find any endpoint operations that match 'send an email notification' — I want to see which API paths and methods are available for that.","exampleUseCases":[{"title":"Discover endpoints for a capability","prompt":"Search the OpenAPI catalog for any endpoints related to 'user authentication' — I want to see what operations are available and their paths."},{"title":"Find API operations by task description","prompt":"Can you query the OpenAPI search to find any operations matching 'retrieve invoice by ID'? I need the matching paths and their HTTP methods."},{"title":"Agent capability discovery at runtime","prompt":"Search for OpenAPI operations that handle 'payment processing' so my agent knows which endpoints to call when it needs to initiate a transaction."}],"resultDescription":"Returns a JSON object containing matched OpenAPI operations, endpoint paths, methods, descriptions, and schema details relevant to the search input query.","failureModes":["Missing or malformed 'input' object returns a validation error","No matching OpenAPI operations found returns empty results","Overly broad queries may return too many low-relevance matches","Payment failure (402) if USDC balance is insufficient before the call proceeds","Timeout if the underlying OpenAPI index is temporarily unavailable"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which API operations are available for a given capability or task description at runtime, especially within the PennyRail ecosystem. Prefer it over static documentation lookups when you need machine-readable, structured OpenAPI operation details returned programmatically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T07:06:08.108Z","isFirstParty":false,"canonicalSlug":"pennyrail-openapi-search-f9511310"}