{"uid":"cap_PFe3UJvyuMl7lLzEWyCYp","slug":"signalharness-url-discovery-audit-af9132e0","name":"SignalHarness URL Discovery Audit","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/url_discovery_audit/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","pattern":"^https://","maxLength":2048,"minLength":9}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"url":"https://example.com/resource","checks":[{"id":"example","url":"https://example.com/resource","detail":"example","status":"pass"}],"summary":{"fail":0,"pass":0,"warn":0},"discoveredResourceUrls":["example00"]},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"url_discovery_audit","executionId":"example-execution","startedAtMs":0,"amountAtomic":"20000","resultSha256":"a95dcf32d5fe7ca2029652a9cc7474e7d464af51b34b67987acbbc2f772defd4","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_kn5v9NGif2gifL9UyD4bR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Audits a given HTTPS URL for agent-discoverability and API accessibility, returning per-check pass/warn/fail results and discovered resource URLs","exampleAgentPrompt":"Can you run a discovery audit on https://api.myservice.com and tell me which checks pass or fail, and what resource URLs it finds?","exampleUseCases":[{"title":"Pre-launch API agent readiness check","prompt":"Before I publish my new API, can you audit https://api.myproduct.com to see if it passes all the agent-discovery checks and show me any resource URLs it finds?"},{"title":"Debugging a failing agent integration","prompt":"My AI agent can't seem to discover my service correctly — can you audit https://platform.example.com/services and tell me exactly which checks are failing and why?"},{"title":"Competitor API discoverability comparison","prompt":"Can you run a URL discovery audit on https://api.competitorx.com and tell me how many checks pass, how many fail, and what resource URLs the audit finds?"}],"resultDescription":"Returns a JSON object containing: the audited URL, an array of individual checks each with an id, url, detail, and pass/warn/fail status, a summary count of passes/warns/fails, and an array of discovered resource URLs. Also includes a receipt with payment details, latency, execution metadata, and a result SHA256 hash.","failureModes":["URL does not start with https:// — rejected by input schema pattern validation","URL exceeds 2048 characters — rejected by maxLength constraint","Target URL is unreachable or returns non-200 — audit may complete with all-fail checks","Malformed or non-URL string supplied — schema validation error","Payment not fulfilled — 402 response before execution begins","Service timeout if target URL is very slow to respond"],"whenToPreferThis":"Choose this endpoint when you need a structured, per-check audit of whether a specific HTTPS URL is properly discoverable and accessible to AI agents — including a breakdown of what passes, warns, or fails and a list of resource URLs found. Prefer this over generic HTTP probers or link crawlers when you specifically care about agent-native discoverability criteria and want a machine-readable pass/warn/fail report with provenance receipt.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:41:53.943Z","isFirstParty":false}