{"uid":"cap_mM4hPBi0dOUrEqbmOnzz3","slug":"freeresource-directory-api-e9712d4f","name":"FreeResource Directory API","description":"Curated free-tier API & resource directory for agents: no-key blockchain APIs, AI free tiers, no-CAPTCHA faucets, zero-cost marketplaces. Free preview at /preview.","url":"https://devices-interface-hull-man.trycloudflare.com/query?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object","required":["method"],"properties":{"type":{"type":"string"},"method":{"type":"string"},"headers":{"type":"object"},"queryParams":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vehZbrULkOD-yQ9qAxDkS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a curated directory of free-tier APIs and resources for agents, including no-key blockchain APIs, AI free tiers, no-CAPTCHA faucets, and zero-cost marketplaces","exampleAgentPrompt":"Can you query the FreeResource Directory to find me no-key blockchain APIs and no-CAPTCHA faucets I can use for my agent without signing up for anything?","exampleUseCases":[{"title":"Finding free blockchain APIs for agent","prompt":"Search the FreeResource Directory for blockchain APIs that don't require an API key so my agent can query on-chain data without any signup or authentication."},{"title":"Discovering AI free tiers for prototyping","prompt":"Look up the FreeResource Directory and give me a list of AI APIs that have free tiers I can use to prototype my agent without spending anything."},{"title":"Locating no-CAPTCHA crypto faucets","prompt":"Query the FreeResource Directory for crypto faucets that don't have CAPTCHAs so my agent can claim test tokens automatically."}],"resultDescription":"A curated list of free-tier API resources including no-key blockchain APIs, AI service free tiers, no-CAPTCHA faucets, and zero-cost marketplaces, filtered or categorized by the query method provided.","failureModes":["Missing required 'method' field returns 400 error","Invalid method value may return empty results or error","Cloudflare tunnel may be unavailable causing 502/503","Payment not processed correctly causing 402 response","Rate limiting or abuse detection from Cloudflare"],"whenToPreferThis":"Choose this endpoint when an agent needs to discover free, no-registration-required APIs and resources — especially blockchain RPC endpoints, AI APIs with free tiers, or faucets — without having to crawl multiple sites. Prefer this over manual web searches when you need a curated, agent-optimized directory of zero-cost resources.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T22:28:42.231Z","isFirstParty":false,"canonicalSlug":"freeresource-directory-api-e9712d4f"}