{"uid":"cap_Rc0cyfHruLkQVg8wh2TP5","slug":"sitecheck-web-intel-crossref-academic-paper-lookup-7ed72654","name":"SiteCheck Web Intel – Crossref Academic Paper Lookup","description":"Crossref DOI lookup (public REST API, no key): title, authors, journal, publication date, cited-by count, publisher and link for one paper. Unknown DOIs return 404.","url":"https://api.webintel-api.workers.dev/api/search/crossref-academic-paper?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":["doi"],"properties":{"doi":{"type":"string","description":"DOI such as 10.1038/nature12373"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/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_Ll6Ocnbpqm61SmtOk0Qq9","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":"Looks up a scholarly paper by DOI via Crossref's public REST API, returning title, authors, journal, publication date, cited-by count, publisher, and link.","exampleAgentPrompt":"Can you look up the paper with DOI 10.1038/nature12373 and tell me the title, authors, journal, publication date, and how many times it's been cited?","exampleUseCases":[{"title":"Verify research paper authorship","prompt":"I have the DOI 10.1016/j.cell.2021.01.048 — can you tell me who the authors are and what journal published it?"},{"title":"Check citation impact of a paper","prompt":"How many times has the paper with DOI 10.1126/science.1260419 been cited, and when was it published?"},{"title":"Enrich bibliography with metadata","prompt":"I've got DOI 10.1002/jcc.21787 from a reference list — can you pull the full title, publisher, and a link to the paper for me?"}],"resultDescription":"Returns structured metadata for the requested paper including: full title, list of authors, journal/venue name, publication date, cited-by count, publisher name, and a URL link to the paper. Returns 404 if the DOI is not found in Crossref.","failureModes":["DOI not found in Crossref database returns 404","Malformed or missing DOI parameter causes request failure","Some papers may have incomplete metadata (e.g. missing cited-by count or authors)","Network or upstream Crossref API timeout"],"whenToPreferThis":"Use this endpoint when you have a specific DOI and need authoritative bibliographic metadata from Crossref — particularly title, authors, journal, publication date, citation count, and publisher. Prefer this over general web search when you need structured, machine-readable academic metadata rather than a full-text search across papers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:37:35.338Z","isFirstParty":false,"canonicalSlug":"sitecheck-web-intel-crossref-academic-paper-lookup-7ed72654"}