{"uid":"cap_O-xRbZz2rdHvwUgVbNpLd","slug":"apis-guru-openapi-directory-search-a21abf78","name":"APIs.guru OpenAPI Directory Search","description":"Pay-per-call company registry, government, legal and B2B data tools for AI agents, from official registers and public sources. Payment: x402, USDC on Base, Solana, Arc, Polygon, Arbitrum, Monad, World Chain, Optimism, Avalanche, Celo or Stellar, or RLUSD/XRP on the XRP Ledger. No signup, no API key; a failed call is not charged.","url":"https://api.companyrecords-api.workers.dev/api/b2b/apis-guru-openapi-directory?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","description":"Provider domain or part of it, 2 to 60 characters (e.g. stripe, twilio)"},"limit":{"type":"string","description":"APIs to return, 1 to 25 (default 10)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":1,"query":"1forge","source":"https://api.apis.guru/v2/providers.json","results":[{"id":"1forge.com","added":"2017-05-30T08:34:14.000Z","title":"1Forge Finance APIs","specUrl":"https://api.apis.guru/v2/specs/1forge.com/0.0.1/swagger.json","updated":"2017-06-27T16:49:57.000Z","provider":"1forge.com","categories":["financial"],"description":"Stock and Forex Data and Realtime Quotes","openapiVersion":"2.0","preferredVersion":"0.0.1"}],"checkedAt":"2026-10-23T09:37:39.899Z","providersMatched":1}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0l2pCL9IJ3jr92NpcPU1C","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches the APIs.guru open directory for public API providers by domain name, returning their available APIs with metadata including spec URLs, versions, categories, and descriptions.","exampleAgentPrompt":"Can you look up the APIs.guru directory for 'twilio' and tell me what APIs are listed for them, including the OpenAPI spec URLs and categories?","exampleUseCases":[{"title":"Discover Stripe's public API specs","prompt":"Search the APIs.guru directory for 'stripe' and give me the OpenAPI spec URLs and version info for their APIs."},{"title":"Find API categories for a cloud provider","prompt":"Look up 'googleapis' in the APIs.guru catalogue and tell me what APIs they have listed, including categories and descriptions."},{"title":"Locate OpenAPI spec for a fintech provider","prompt":"I need the OpenAPI spec URL for 1forge — can you check the APIs.guru directory for '1forge' and return the spec link and preferred version?"}],"resultDescription":"A JSON object containing the search query, total count of matched providers, source URL, timestamp, and an array of results. Each result includes the provider ID, API title, preferred version, OpenAPI spec URL, description, categories, openapiVersion, and added/updated timestamps.","failureModes":["Query string shorter than 2 or longer than 60 characters returns a validation error","No matching providers returns an empty results array with count 0","Provider exists in APIs.guru but has not been indexed recently, so data may be stale","Limit parameter out of range (must be 1–25) may return an error or be clamped","Upstream APIs.guru service unavailable causes a proxy error"],"whenToPreferThis":"Use this endpoint when you need to programmatically discover OpenAPI/Swagger specification URLs and metadata for known API providers by domain name. It is ideal for agent workflows that need to fetch a spec before calling or analyzing an API. Prefer it over scraping APIs.guru directly since this wrapper is a paid-access, agent-friendly JSON API. Not suitable for searching by category or keyword without a domain name hint.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:41:24.384Z","isFirstParty":false,"canonicalSlug":"apis-guru-openapi-directory-search-a21abf78"}