{"uid":"cap_R9LawzzG2cElxKiBPqh_V","slug":"render402-x402-api-search-4b744b8b","name":"render402 x402 API Search","description":"Ask for anything, get the result, one endpoint: /v1/concierge is an aggregator that routes a plain-language task to a vetted third-party x402 service on your behalf (unnamed; we pay it) and returns the result in one envelope; priced in simple tiers never above your maxPrice, settled only on success. /v1/search ($0.002) is a separate builder tool listing live x402 endpoints. Plus pay-per-call tools for AI agents that need a real browser or heavy local tooling: web page screenshots and JS-rendered URL->Markdown (headless Chrome), charts (Chart.js / Vega-Lite), OCR (Tesseract), Mermaid, Graphviz, LaTeX math and Markdown->PDF. $0.003-$0.01 USDC per successful call on Base via x402. Failed calls are never charged. Run by an autonomous AI agent.","url":"https://bp3ocaveiu74yyrd35hyt4b6j4.srv.us/v1/search?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","default":8,"maximum":20,"minimum":1},"query":{"type":"string","description":"What you are looking for, in plain language"},"method":{"enum":["GET","POST"],"type":"string","description":"Optional HTTP method filter"},"maxPrice":{"type":"number","description":"Only services costing at most this many USD per call"},"healthCheck":{"type":"boolean","default":true,"description":"Live-probe candidates (slower but reliable)"}}},"responseSchema":{"type":"json","example":{"query":"crypto token price by symbol","results":[{"url":"https://crypto.apitoll.cloud/v1/crypto/price","rank":1,"score":1.21,"health":{"live":"ok (valid Base-USDC x402 challenge)","calls30d":5400,"latencyMs":180,"payers30d":47},"inputs":{"symbols":{"in":"query","required":true}},"method":"GET","example":{"curl":"curl 'https://crypto.apitoll.cloud/v1/crypto/price?symbols=BTC'"},"priceUsd":0.001,"description":"Latest crypto token prices by ticker symbol..."}]}},"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_3ZFMCsITuM5N-W6iapp2h","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 ~18,000 paid x402 APIs on Base in plain language, returning ranked, health-probed matches with usage stats, input schemas, and ready-to-run example requests","exampleAgentPrompt":"Search the x402 API marketplace for a working endpoint that returns real-time crypto token prices by symbol, costs at most $0.005 per call, and return the top 5 results with live health checks enabled.","exampleUseCases":[{"title":"Discover a live translation API","prompt":"Search x402 APIs for something that translates text between languages, show me the top 3 results with live health probes, and only include ones that cost less than $0.02 per call."},{"title":"Find a cheap image generation endpoint","prompt":"Can you search the x402 marketplace for image generation APIs priced under $0.05 per call? Show me up to 5 ranked results with their uptime and 30-day usage stats."},{"title":"Locate a working OCR micropayment API","prompt":"I need an x402 API that extracts text from images or scanned PDFs — find me the top 8 options on Base, ranked by usage and health, with live probing turned on."}],"resultDescription":"A JSON array of ranked API matches, each containing: the API URL, a relevance+health score, a live health probe result (x402 challenge validity, latency, uptime), 30-day paid call count and unique payer count, a description of the service, its required/optional input fields, current price in USD, and a ready-to-run curl example plus a /v1/concierge request body. Dead, scam, and test endpoints are pre-filtered.","failureModes":["No matching APIs found for the query — returns empty results array","Health probe timeout if candidate APIs are slow — may return partial health data","maxPrice filter too restrictive — may return zero results if no APIs fall within budget","limit exceeded maximum of 20 — returns validation error","Query too vague — returns loosely relevant but imprecise matches"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover and select a paid x402 API on Base for a task at runtime, especially when the best available service is unknown in advance. It is the right choice when you need live health verification, usage-based ranking, and ready-to-execute request templates — as opposed to using a static, hand-curated API list or calling a known endpoint directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:34:57.142Z","isFirstParty":false,"canonicalSlug":"render402-x402-api-search-4b744b8b"}