{"uid":"cap_6j1TtXGsNsKyecsfbEVBu","slug":"prospectintel-claim-grounding-verifier-1598316b","name":"ProspectIntel Claim Grounding Verifier","description":"Fast claim grounding gate","url":"https://claim-grounding.prospectintel.workers.dev/v1/verify_claim","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"const":"json"}}},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GGRpOJlZZsX2PjXjq6HUO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies whether a specific claim is grounded in evidence by checking it against supporting sources or context","exampleAgentPrompt":"Can you check whether the claim 'the average global temperature has risen by 1.1°C since pre-industrial times' is grounded in verifiable evidence?","exampleUseCases":[{"title":"RAG output hallucination detection","prompt":"My RAG pipeline just generated the answer 'The EU AI Act was passed in March 2023' — can you verify whether that claim is actually grounded in the retrieved documents?"},{"title":"Sales intelligence claim validation","prompt":"Our AI wrote that 'Acme Corp grew revenue by 40% last quarter' in a prospect brief — can you ground-check that claim before we send it to the sales team?"},{"title":"Research assistant fact-check","prompt":"I need you to verify whether the claim 'mRNA vaccines cannot integrate into human DNA' is supported by the scientific evidence in this context passage before I include it in my report."}],"resultDescription":"Returns a grounding verdict for the submitted claim, indicating whether it is supported by evidence, along with confidence signals and any relevant grounding details such as supporting or contradicting evidence fragments.","failureModes":["Missing required claim or body fields returns a validation error","Ambiguous or overly vague claims may return low-confidence results","Claims requiring real-time data may not be groundable if no live source is provided","Payment failure or x402 authentication issues prevent execution","Malformed JSON body causes a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need a fast, per-claim grounding gate — particularly for validating individual assertions produced by LLMs, RAG pipelines, or AI agents before presenting them to users. It is well-suited for hallucination detection, sales intelligence validation, and research workflows where a binary or scored grounded/ungrounded signal is needed quickly at $0.10 per check.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-18T06:30:20.609Z","isFirstParty":false}