{"uid":"cap_MfZooRbRanAr7scdcVUcE","slug":"youraitools-toolpick-x402-ai-api-directory-search-d9b0fcf7","name":"YourAITools ToolPick – x402 AI API Directory Search","description":"API finder for AI agents (live-checked). Pick the paid x402 API to call: top 10 ranked resources for your need (relevance, 30-day payers and calls, recency, price; filters), a live check of the top 5 (one unpaid request each, 3 s timeout: 402 with x402 terms, live price and networks, matches the listing?), the best verified pick, the cheapest verified alternative and category price stats. Fail-closed: a failed check is never called verified; none verified means best_pick null, low confidence.","url":"https://api.youraitools.co/toolpick/v1/pick?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":["need"],"properties":{"need":{"type":"string","description":"The capability you need, in plain words, e.g. \"solana token safety\", \"web search\", \"pdf to text\", \"hyperliquid funding rates\" (2-200 chars)"},"network":{"enum":["any","base","solana","polygon","arbitrum","optimism","ethereum","avalanche"],"type":"string","description":"Only resources payable on this network (default any)"},"max_price":{"type":"number","description":"Only resources priced at or below this many USD per call, e.g. 0.01"},"min_payers":{"type":"integer","description":"Only resources with at least this many unique payers in the last 30 days (default 0)"}},"description":"Search intents: api recommendation, pick best api, x402 api ranking, live api check, agent tool selection, api marketplace search"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"need":"web search","tier":"pick","hosts":236,"index":{"age_s":600,"stale":false,"refreshed_at":"2026-10-23T12:59:10.247Z"},"stats":{"hosts":236,"calls_30d":64331,"price_usd":{"max":0.02,"min":0.001,"p25":0.003,"p75":0.01,"median":0.01},"resources":700,"priced_resources":700,"est_revenue_30d_usd":555.82,"price_with_buyers_usd":{"p25":0.003,"p75":0.01,"median":0.00625,"payer_weighted_median":0.01},"hosts_with_3plus_payers":125},"terms":["web","search"],"filters":{"network":"any","max_price":0.02,"min_payers":0},"matches":700,"results":[{"host":"api.exa.ai","rank":1,"score":4.843,"method":"POST","service":"Exa","networks":["base","solana"],"resource":"https://api.exa.ai/search","calls_30d":6614,"price_usd":0.007,"relevance":0.85,"indexed_on":["cdp"],"live_check":{"ms":363,"status":"live","http_status":402,"x402_version":2,"live_networks":["base","solana"],"live_price_usd":0.007,"price_matches_index":true},"payers_30d":92,"description":"Exa /search endpoint","repeat_buyers":true,"verified_live":true,"last_called_at":"2026-10-23T11:14:01.000Z"},{"host":"agent.pocket.network","rank":2,"score":4.215,"method":"POST","service":"Pocket Network","networks":["base"],"resource":"https://agent.pocket.network/v1/agentsearch-web-search-v1","calls_30d":2843,"price_usd":0.005,"relevance":1,"indexed_on":["cdp"],"live_check":{"ms":510,"status":"live","http_status":402,"x402_version":2,"live_networks":["base"],"live_price_usd":0.005,"price_matches_index":true},"payers_30d":13,"description":"Web search built for agents, served over Pocket Ne","repeat_buyers":true,"verified_live":true,"last_called_at":"2026-10-23T12:06:00.000Z"}],"best_pick":{"why":"highest-ranked candidate that answered 402 with matching x402 terms in the live check","rank":1,"method":"POST","service":"Exa","networks":["base","solana"],"resource":"https://api.exa.ai/search","price_usd":0.007,"payers_30d":92},"checked_at":"2026-10-23T13:09:10.247Z","confidence":"high","disclaimer":"Rankings use public x402 index metadata and the index-reported 30-day call and payer counts; listings are self-described by sellers and are not endorsements. A live check only shows that an endpoint answers with x402 payment terms right now, not that its data is good or that the seller is safe. Check terms before paying. ToolPick never pays, holds funds or keys.","sources_failed":[],"cheapest_verified":{"rank":5,"service":"web-news","resource":"https://api.agentstools.dev/search/news","price_usd":0.003}}},"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":"unknown","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_-ufjB07fo5lzVq6Y9ssl6","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":"Searches a curated directory of 300+ AI tools, APIs, and agents payable via x402 (USDC on Base/Solana) and returns ranked, live-verified matches for a stated capability need.","exampleAgentPrompt":"Find me the best x402-payable API for web search that works on Base, costs no more than $0.01 per call, and has at least 10 unique payers in the last 30 days.","exampleUseCases":[{"title":"Discover cheapest crypto-payable search API","prompt":"I need a web search API I can pay for with USDC — show me what's available on Base or Solana for under half a cent per call, and only ones with real paying users."},{"title":"Agent self-selects a PDF-to-text tool","prompt":"My agent needs to convert PDFs to text and pay per call using crypto. Find me the top-ranked x402 endpoints for PDF extraction that are live and verified, payable on any network."},{"title":"Find token safety analysis APIs for Solana","prompt":"What crypto-payable APIs can check Solana token safety or detect rug pulls? Show me options on the Solana network with at least 5 unique payers in the last month."}],"resultDescription":"A JSON object containing: matched API endpoints ranked by relevance and usage score, each with host, service name, resource URL, HTTP method, price in USD, supported networks, 30-day call count, payer count, live-check status (latency, HTTP status, x402 version, live price), and a 'best_pick' object highlighting the top recommended endpoint with reasoning. Also includes aggregate stats (total hosts, price percentiles, estimated revenue), applied filters, index freshness, and a confidence rating.","failureModes":["No matches found for an obscure or overly specific 'need' query — returns empty results array","Stale index if refreshed_at is old — results may not reflect recently added or removed endpoints","Live check failures if endpoint is temporarily down — verified_live may be false for otherwise valid APIs","Network filter too restrictive — limiting to a rare network may return zero results","min_payers threshold too high — filters out newly listed but functional APIs","Price cap too low — eliminates most available endpoints"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which x402-compatible APIs exist for a given capability and wants to pay per call in USDC on Base, Solana, or other supported chains. It is uniquely suited for agent-to-agent orchestration where the agent must self-select a downstream tool at runtime, rather than having a hardcoded API dependency. Prefer this over general API marketplaces when crypto-native payment (x402 protocol) and live-verification of endpoint status are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:33:53.288Z","isFirstParty":false,"canonicalSlug":"youraitools-toolpick-x402-ai-api-directory-search-d9b0fcf7"}