{"uid":"cap_3D36asXCC36PPOI8TaoIJ","slug":"signalharness-search-result-evidence-coverage-57a80a5c","name":"SignalHarness Search Result Evidence Coverage","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/search_result_evidence_coverage/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"request_json":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Verify the caller-supplied data before relying on this result."],"service_id":"search_result_evidence_coverage","analysis_json":"{\"example\":\"schema-valid caller-supplied data\"}","evidence_scope":"caller_supplied_data"},"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":"search_result_evidence_coverage","executionId":"example-execution","startedAtMs":0,"amountAtomic":"15000","resultSha256":"7a0f793bc847c155a0bcdf9daed790ff9d5b494185513b4e9ed6c287c31c9b49","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.015","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":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2ON6fFKCcwXJDJXVuDSJW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes caller-supplied search result data to assess evidence coverage and return a structured analysis with warnings about data provenance.","exampleAgentPrompt":"Can you check the evidence coverage of these search results I've gathered? Here's the raw JSON: {\"query\":\"climate change impacts\",\"results\":[{\"title\":\"Study A\",\"url\":\"...\",\"snippet\":\"...\"}]} — I want to know how well-supported the results are.","exampleUseCases":[{"title":"Research evidence audit for news article","prompt":"I've collected a bunch of search results for my article on vaccine efficacy — can you run them through the evidence coverage checker and tell me which ones are actually backed by solid evidence?"},{"title":"Validating search results for a report","prompt":"Before I include these search results in my client report, can you assess the evidence coverage to see if there are any gaps or weak spots I should flag?"},{"title":"AI agent search quality check","prompt":"My agent just fetched search results about recent Fed interest rate decisions — can you analyze their evidence coverage so I know how much to trust them before passing them to downstream tools?"}],"resultDescription":"Returns a structured JSON object containing an analysis_json field with evidence coverage details, an evidence_scope field (e.g. 'caller_supplied_data'), a list of warnings about data provenance, and a full payment receipt with execution metadata including latency, payment ID, and a SHA-256 hash of the result.","failureModes":["Malformed or non-JSON request_json input causes validation failure","Payload exceeds 65536 character limit, rejected at input","Caller-supplied data is flagged as unverified — warnings returned but analysis still proceeds","Payment not confirmed, endpoint returns 402 and does not execute","Empty or minimal JSON input may yield low-confidence or trivial analysis"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call analysis of search result evidence quality without managing your own validation pipeline. Best suited for agents that retrieve web search results and need a quick evidence-coverage audit before downstream processing. Prefer over custom validation when you want a receipted, auditable result with provenance warnings included.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:01:36.233Z","isFirstParty":false}