{"uid":"cap_7IODcRNS37kcvgxosbDqZ","slug":"gateway-apiosk-com-trust-checks-knowledge-validator-d2855493","name":"gateway.apiosk.com Trust-Checks Knowledge Validator","description":"Check a generated answer against a set of approved facts and forbidden claims to catch ungrounded or off-limits statements. Flags forbidden claims found in the answer and warns when the answer matches none of the approved facts.","url":"https://gateway.apiosk.com/trust-checks/knowledge","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.077","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_d52-HobNBN0PGFEDepUyD","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":"Validates an AI-generated answer against approved facts and forbidden claims, returning issues and matched facts","exampleAgentPrompt":"Before I send this answer to the user — 'Our Pro plan costs $20/month and includes unlimited seats' — can you trust-check it against these approved facts: ['The plan costs 20 dollars per month', 'Seats are limited to 10 users'] and flag it if it contains any of these forbidden claims: ['unlimited seats', 'free trial included']?","exampleUseCases":null,"resultDescription":"Returns a JSON object with a boolean 'valid' field indicating whether the answer passed, an 'issues' array listing any detected problems (e.g. forbidden claims found), a 'matched_facts' array showing which approved facts were confirmed, and the endpoint name.","failureModes":["Missing 'answer' field returns validation error","Empty approved_facts array may result in no matched_facts","Forbidden claims list not provided may skip claim checking","Network timeout on large answer texts","Ambiguous or overlapping facts and forbidden claims may produce inconsistent results"],"whenToPreferThis":"Use this endpoint when you need to validate AI-generated or agent-produced answers against a curated set of ground-truth facts and a blocklist of prohibited claims before delivering the response to end users — especially in customer support, compliance, or product documentation contexts where factual accuracy and policy adherence are critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:56:50.649Z","isFirstParty":false}