{"uid":"cap_8fTVM2mey8N2IiQM-4N_I","slug":"doi-lookup-citation-metadata-authors-journal-citations-abstract-f1ab56a2","name":"DOI Lookup: Citation Metadata, Authors, Journal, Citations, Abstract","description":"DOI lookup: citation metadata, authors, journal, citations, abstract — Genesis402 / UnyKorn Operator Network","url":"https://twin.unykorn.org/research/doi?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"params":{"type":"object","properties":{"doi":{"type":"string","description":"required: e.g. 10.1038/nature12373"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"crossref-doi","receipt":{"tx_hash":"0x<64hex>","amount_usd":0.002,"receipt_id":"g402-<16hex>"},"sources":[{"ok":true,"name":"<source>"}],"limitations":"<text>","generated_at":"<iso time>","evidence_hash":"sha256:<64hex>"}},"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_n-w9rGs_mbaEDjGLvTk_M","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":"Resolves a DOI to its full citation metadata including authors, journal, abstract, and citation counts","exampleAgentPrompt":"Can you look up the full citation details for the paper with DOI 10.1038/nature12373 — I need the title, authors, journal, abstract, and how many times it's been cited?","exampleUseCases":[{"title":"Verify paper before citing","prompt":"I'm writing a literature review and want to double-check the details on this paper before I cite it — can you pull up the full metadata for DOI 10.1126/science.1157996, including the authors, journal, and abstract?"},{"title":"Build reference list from DOIs","prompt":"I have a list of DOIs from my reading notes and need to turn them into proper citations — can you start by looking up 10.1016/j.cell.2020.02.052 and give me the title, authors, year, and journal?"},{"title":"Check citation impact of a paper","prompt":"How many times has the paper with DOI 10.1038/s41586-020-2649-2 been cited? I want to know its citation count along with the abstract and journal it was published in."}],"resultDescription":"Returns structured citation metadata for the resolved DOI, including the paper title, author list, journal/venue name, publication date, abstract text, and citation count.","failureModes":["Invalid or malformed DOI returns an error or empty result","DOI exists but the upstream resolver has incomplete metadata (missing abstract or citation count)","Very new or preprint DOIs may not yet be indexed with full metadata","Rate limiting or upstream resolver unavailability causing timeout"],"whenToPreferThis":"Choose this endpoint when you have a specific DOI and need to retrieve scholarly citation metadata quickly without a full literature search. Ideal for enriching reference lists, verifying citations, or extracting paper abstracts programmatically. Prefer this over a general web search when you need structured bibliographic output rather than free-text results.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:35:25.827Z","isFirstParty":false,"canonicalSlug":"doi-lookup-citation-metadata-authors-journal-citations-abstract-f1ab56a2"}