{"uid":"cap_hGfCKDgOhu79wfVDXhDbx","slug":"whatchuneed-fact-check-claims-1e0933ac","name":"WhatChUNeed Fact Check Claims","description":"320+ pay-per-call API endpoints across accommodation, LLM, code execution, crypto, medical, finance, and more. One API, one payment. Powered by x402 protocol.","url":"https://whatchuneed.vercel.app/api/factcheck/claims","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"Request input"}}},"responseSchema":{"type":"object","properties":{"result":{"type":"object","description":"Response data"},"status":{"type":"string"}}},"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":"unknown","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_e2GhxpxkLQNam4P1p1JGD","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":"Verifies factual claims in a given text, returning a structured fact-check result indicating accuracy and supporting context","exampleAgentPrompt":"Can you fact-check this claim for me: 'The Great Wall of China is visible from space with the naked eye' — I want to know if it's true or false and why.","exampleUseCases":[{"title":"Verifying a viral social media claim","prompt":"Someone shared a post saying 'Drinking lemon water every morning cures cancer.' Can you fact-check that claim and tell me if it's accurate?"},{"title":"Checking a news article statistic","prompt":"This article says '90% of plastic in the ocean comes from just 10 rivers.' Can you verify whether that statistic is factually correct?"},{"title":"Validating a political quote","prompt":"I heard that Abraham Lincoln said 'You can fool all the people some of the time.' Can you fact-check whether he actually said that?"}],"resultDescription":"A structured JSON object containing a result field with the fact-check outcome (verdict, supporting evidence, accuracy assessment) and a status field indicating success or failure of the request.","failureModes":["Empty or missing input string returns validation error","Ambiguous or opinion-based claims may return inconclusive verdicts","Claims about very recent events may lack sufficient data for verification","Overly long input text may be truncated or rejected","Network or payment failures return non-200 status"],"whenToPreferThis":"Use this endpoint when an agent needs to programmatically verify factual claims, news headlines, statistics, or quotes at $0.05 per call via x402 crypto micropayment — ideal for pipelines that need automated fact-checking without managing a dedicated misinformation API subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:53:10.276Z","isFirstParty":false}