{"uid":"cap_mdkIRO9NTgrb4TX06L-Or","slug":"agentstools-scholar-paper-resolver-2211f8dd","name":"AgentsTools Scholar Paper Resolver","description":"Resolve one research paper and fuse its metadata across OpenAlex, Crossref, Unpaywall and Semantic Scholar into a single cited JSON. Give a doi, arxiv, pmid, pmcid, openalex_id or title and get canonical metadata, authors with ORCID and affiliations, venue, citation counts, an open-access PDF link and a full id crosswalk.","url":"https://api.agentstools.dev/scholar/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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"id":{"type":"string","description":"Any single identifier; its type is auto-detected"},"doi":{"type":"string","description":"DOI, with or without a doi.org prefix"},"pmid":{"type":"string","description":"PubMed id (digits)"},"arxiv":{"type":"string","description":"arXiv id such as 2401.01234"},"pmcid":{"type":"string","description":"PubMed Central id such as PMC1234567"},"title":{"type":"string","description":"Paper title to resolve by search"},"openalex_id":{"type":"string","description":"OpenAlex work id such as W2741809807"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":{"p10Cents":"2.0000","medianCents":"2.0000","p90Cents":"2.0000","minCents":"2.0000","maxCents":"2.0000","p95Cents":"2.0000","sampleCount":1,"varies":false,"failureChargeRate":1},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qwCI91THp3ETym9EV0ryb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves a research paper by any identifier (DOI, arXiv, PMID, PMCID, OpenAlex ID, or title) and returns fused canonical metadata from OpenAlex, Crossref, Unpaywall, and Semantic Scholar in a single JSON response.","exampleAgentPrompt":"Can you pull up the full metadata for the paper with DOI 10.1038/s41586-021-03819-2 — I need the authors with their ORCIDs, the venue, citation count, and an open-access PDF link if one exists.","exampleUseCases":null,"resultDescription":"A single JSON object with canonical paper metadata fused from OpenAlex, Crossref, Unpaywall, and Semantic Scholar, including: title, abstract, authors with ORCIDs and affiliations, publication venue, publication date, citation counts, open-access PDF URL, and a full identifier crosswalk (DOI, arXiv, PMID, PMCID, OpenAlex ID, Semantic Scholar ID).","failureModes":["Paper not found in any upstream source — returns empty or error response","Ambiguous title match — may resolve to wrong paper if title is not unique","Rate limits or upstream API failures from OpenAlex, Crossref, Unpaywall, or Semantic Scholar","Malformed identifier input (e.g. wrong DOI format) causes resolution failure","No open-access PDF available — field returned null or absent"],"whenToPreferThis":"Use this endpoint when you need rich, fused academic paper metadata from multiple authoritative sources in a single call, especially when you have any one of several identifier types (DOI, arXiv, PMID, etc.) and need canonical output including author ORCIDs, affiliations, open-access PDF, and cross-database IDs. Prefer over querying individual APIs (OpenAlex, Crossref, etc.) separately.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:50:36.051Z","isFirstParty":false,"canonicalSlug":"agentstools-scholar-paper-resolver-2211f8dd"}