{"uid":"cap_3XzG1gAhxkzEzEp9fO528","slug":"web-content-verification-api-ad07d891","name":"Web Content Verification API","description":"Website hosted for free through pinggy.io&gt;\n    &lt;meta name=","url":"https://ouhue-37-255-229-96.run.pinggy-free.link/verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string"},"claim":{"type":"string","description":"optional claim to test against page content"}}},"responseSchema":{"type":"object","required":["url"],"properties":{"url":{"type":"string"},"receipt":{"type":"object"},"supported":{"type":"string"},"crossReferences":{"type":"array","items":{"type":"object"}}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Cp_VJBwuZPhlLVmk1aod0","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies a URL's content and optionally tests a specific claim against the page's content, returning cross-references and support status","exampleAgentPrompt":"Can you verify whether this page — https://example.com/article — actually supports the claim that 'electric vehicles reduce CO2 emissions by 50% compared to gasoline cars'?","exampleUseCases":[{"title":"Fact-checking a news article claim","prompt":"Check if this news article at https://bbc.com/news/science-123456 actually supports the claim that 'global temperatures rose by 1.5 degrees Celsius in 2023'."},{"title":"Validating a product page statement","prompt":"Verify that https://acme.com/product/widget says the product has a 5-year warranty — I want to confirm before I reference it in my report."},{"title":"Research citation verification","prompt":"Can you check whether https://research.org/study-42 contains evidence supporting the claim that 'sleep deprivation increases accident risk by 70%'?"}],"resultDescription":"Returns a JSON object containing the original URL, a support status string indicating whether the page supports the claim, an array of cross-reference objects with corroborating or contradicting evidence found on the page, and a payment receipt object confirming the transaction.","failureModes":["URL is unreachable or returns a non-200 status — endpoint may return an error or empty cross-references","Paywalled or JavaScript-heavy pages may not render properly, resulting in incomplete content analysis","Ambiguous or very broad claims may return low-confidence or inconclusive support status","Invalid URL format in the request body causes a validation error","Rate limiting or network timeouts from the target website may cause verification failure"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify whether a specific URL's content supports or contradicts a particular claim, especially for fact-checking, citation validation, or content auditing workflows. It is distinct from general web scraping because it returns structured cross-reference evidence and an explicit support verdict tied to a claim.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:30:30.920Z","isFirstParty":false,"canonicalSlug":"web-content-verification-api-ad07d891"}