{"uid":"cap_zI59rwahg3rREOSJKp8Nu","slug":"x402-api-finder-b93eaa1b","name":"x402 API Finder","description":"Find the right pay-per-call API for a task: searches the x402 Bazaar and ranks results by real 30-day payers, with URL, price in USDC, network and description. Use before choosing which paid tool to call.","url":"https://bess-x402.onrender.com/v1/x402/search?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","description":"What you need, e.g. weather or token price"},"limit":{"type":"integer","description":"Maximum number of results (1-25)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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_Ng7D5orzcRJXvpjNDa61N","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 x402 Bazaar for pay-per-call APIs matching a task description, ranked by real 30-day payer activity, with URL, price, network, and description.","exampleAgentPrompt":"Search the x402 Bazaar for a pay-per-call API that can give me real-time cryptocurrency token prices — show me the top 5 results ranked by actual payers, with their URLs, USDC prices, and descriptions.","exampleUseCases":[{"title":"Pre-task API scouting for an agent","prompt":"Before you pick a tool to get weather forecasts, search the x402 Bazaar for the best-ranked pay-per-call weather APIs — give me up to 10 results with their prices and networks."},{"title":"Cost comparison for financial data APIs","prompt":"I need stock or company fundamentals data — search x402 for available APIs that do that and show me the cheapest options ranked by how many real payers they have."},{"title":"Discovering niche APIs for a new agent capability","prompt":"Find me x402 APIs that handle OCR or document text extraction, return up to 5 results with their USDC price per call and a short description."}],"resultDescription":"Returns a ranked list of x402 APIs matching the query, each with its endpoint URL, price per call in USDC, blockchain network, short description, and a real 30-day payer count used for ranking.","failureModes":["Missing required query parameter 'q' returns a validation error","No matching APIs found returns an empty result list","Bazaar index temporarily unavailable may return a 5xx error","Very broad queries may return low-relevance results","limit parameter out of range (below 1 or above 25) may cause a validation error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which x402 pay-per-call API to invoke for a task, rather than hard-coding a tool choice. It is especially useful before selecting a paid tool at runtime, when comparing API costs, or when building meta-agents that need to route tasks to the best available x402-compatible service ranked by real usage.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T23:06:23.481Z","isFirstParty":false,"canonicalSlug":"x402-api-finder-b93eaa1b"}