{"uid":"cap_2PrDnOwB9pY-Aa_VmEk3j","slug":"pennyrail-openapi-search-nano-103781fa","name":"PennyRail OpenAPI Search (nano)","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/openapi.search--proven-openapi-search","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_N74f0UDkp08VzsVLQRAeu","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 for proven OpenAPI specifications or operations matching a given query input","exampleAgentPrompt":"Search the PennyRail OpenAPI registry for proven API operations that handle payment webhooks — I want to find matching specs I can use in my integration.","exampleUseCases":[{"title":"Discover API operations for a feature","prompt":"Search the OpenAPI spec registry for proven operations related to 'user authentication' — I need to find existing verified specs I can build on."},{"title":"Find matching webhook endpoints","prompt":"Can you look up proven OpenAPI specs in PennyRail that cover webhook delivery or event notification endpoints?"},{"title":"Locate billing API definitions","prompt":"Search for proven OpenAPI operations matching 'invoice' or 'billing' so I can find a spec that fits what I need to integrate."}],"resultDescription":"Returns a JSON object containing OpenAPI search results — likely matching operation names, paths, summaries, or specification references — corresponding to the submitted query input. The response schema is open-ended (additionalProperties: true), so results may vary in structure but will reflect operations proven to exist in the indexed registry.","failureModes":["Missing or malformed 'input' object returns a 400-level validation error","No matching OpenAPI specs found returns an empty result set","Payment not settled (x402 protocol failure) blocks the request entirely","Upstream registry unavailability returns a 5xx error","Overly broad or ambiguous queries may return irrelevant or too many results"],"whenToPreferThis":"Choose this endpoint when you need to programmatically discover or search for proven, curated OpenAPI specifications or operations by keyword or description, especially within the PennyRail micro-payment ecosystem. Prefer it over static API directories when you need machine-readable results tied to a pay-per-call discovery model.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:48:33.575Z","isFirstParty":false}