{"uid":"cap_Tgc54JzTAShYPzM-FHn33","slug":"x402-field-instruments-ecosystem-health-catalog-search-3a5dd1d4","name":"x402 Field Instruments – Ecosystem Health & Catalog Search","description":"Seven account-free paid tools for source integrity, x402 catalog search, preflight, liveness, routing, price drift, and batch verification.","url":"https://bj7e26lfpo4fthvr35hczdipby.srv.us/v1/x402-health","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","properties":{"limit":{"type":"string","description":"Max rows, 1-100, default 25"},"status":{"enum":["alive","dead"],"type":"string","description":"Filter by current liveness"},"contains":{"type":"string","description":"Substring match on the resource URL"},"max_price":{"type":"string","description":"Maximum live price in USDC"},"min_price":{"type":"string","description":"Minimum live price in USDC"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"results":[{"resource":"https://api.govparse.io/v1/fcc/licenses/search","price_usdc":1.25,"reliability":1,"last_verdict":"live_paid","observations":3,"price_changed":false}],"ecosystem":{"dead":12,"alive":44,"alive_rate":0.733,"price_usdc":{"p90":1,"median":0.002},"resources_indexed":60},"healthVersion":"1.0"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_39gmDZoaDQugcUEHlc3kx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a live snapshot of the x402 paid-API ecosystem: indexed resources, alive/dead counts, price distribution, and filterable catalog search with reliability scores.","exampleAgentPrompt":"Can you search the x402 catalog for alive endpoints whose URL contains 'gov', priced between $0.01 and $1.00 USDC, and show me up to 25 results with their reliability scores?","exampleUseCases":[{"title":"Scouting affordable live APIs","prompt":"Show me all currently alive x402 endpoints priced under $0.10 USDC — limit to 50 results so I can find cheap ones to integrate."},{"title":"Ecosystem health dashboard","prompt":"What's the current health of the x402 ecosystem? I want to know how many resources are alive vs dead, the alive rate, and what the median and p90 prices look like."},{"title":"Finding domain-specific paid APIs","prompt":"Search the x402 catalog for any live endpoints whose URL contains 'weather', with a max price of $0.50 USDC, and give me up to 25 results including their reliability scores."}],"resultDescription":"A JSON object with a 'results' array (each entry has resource URL, price_usdc, reliability score 0-1, last_verdict, observation count, and price_changed flag) plus an 'ecosystem' summary block (alive count, dead count, alive_rate, price p90 and median, total resources_indexed) and a healthVersion string.","failureModes":["Invalid enum for 'status' parameter returns validation error","'limit' outside 1-100 range rejected","'min_price' or 'max_price' non-numeric strings cause parse errors","No matching results returns empty results array with ecosystem summary intact","Service unavailable returns 5xx with no body"],"whenToPreferThis":"Use this endpoint when you need to discover, filter, or assess the health of x402-protocol paid API resources — particularly when you want live ecosystem statistics, price distribution data, or want to find resources matching a URL pattern or price range. Prefer over generic API directories when x402 protocol compatibility and on-chain payment attestation are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T22:27:00.892Z","isFirstParty":false}