{"uid":"cap_3PRI8cdGx2phK-kY-b_Fk","slug":"wayback-x402-vercel-app-1d39b6d8","name":"Wayback Machine Availability Check","description":"Wayback Machine availability check. Returns whether a URL has been archived and the closest snapshot to a given timestamp. Use to verify if a page existed at a specific point in time.","url":"https://wayback-x402.vercel.app/wayback/check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["url"],"properties":{"url":{"type":"string","description":"URL to check (required)"},"timestamp":{"type":"string","description":"Target timestamp YYYYMMDD or YYYYMMDDHHMMSS (optional, default: latest)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"url":{"type":"string"},"snapshot":{"type":"object"},"available":{"type":"boolean"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"url":"https://www.wikipedia.org","timestamp":"20190601"}}},"response":{"url":"https://www.wikipedia.org","snapshot":{"date":"2019-06-01","timestamp":"20190601230855","archive_url":"http://web.archive.org/web/20190601230855/https://www.wikipedia.org/","status_code":"200"},"available":true,"wayback_url":"http://web.archive.org/web/20190601230855/https://www.wikipedia.org/","requested_timestamp":"20190601"}},"exampleRequest":{"url":"https://www.wikipedia.org","timestamp":"20190601"},"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":1,"rating":{"score":"1.00","successRate":"1.00","reviews":1,"stars":"5.0","state":"rated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yiTGtUInBL00zXnDHVz9N","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a URL has been archived by the Wayback Machine and returns the closest snapshot to a given timestamp","exampleAgentPrompt":"Can you check if https://oldsite.com was archived by the Wayback Machine around January 15, 2020 — I want to know if a snapshot exists from that time and where to find it.","exampleUseCases":null,"resultDescription":"Returns a JSON object with: 'available' boolean indicating whether a snapshot exists, 'url' of the queried page, 'snapshot' object with the closest archive metadata, 'wayback_url' pointing to the Wayback Machine page for that URL, and 'requested_timestamp' echoing the input timestamp.","failureModes":["URL not archived — returns available: false with null snapshot","Invalid timestamp format — query may return latest snapshot instead of targeted one","Wayback Machine CDX API unavailable — upstream timeout or error","Missing required 'url' parameter — returns validation error","Rate limiting or x402 payment failure — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need to verify whether a specific URL was archived at or near a particular point in time, especially for fact-checking historical claims, confirming a page existed before it was taken down, or retrieving a snapshot reference. Prefer this over the summary or history endpoints when you only need a single point-in-time availability check rather than a full archive history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-05-04T10:54:38.570Z","lastSuccessfullyRanAt":"2026-05-04T10:54:38.570Z","lastHealthCheckAt":"2026-10-12T21:29:01.786Z","isFirstParty":false,"canonicalSlug":"wayback-x402-vercel-app-1d39b6d8"}