{"uid":"cap_4GqHInRhzWYI_mSYlNPOB","slug":"semantic-scholar-citation-graph-lookup-7bd05b24","name":"Semantic Scholar Citation Graph Lookup","description":"Citation graph of a paper: the works it references (outgoing) and the works that cite it (incoming), each as normalized records, plus the Semantic Scholar influential-citation count. Give a doi, arxiv, pmid, openalex_id or title. Ideal for literature review and prior-art mapping.","url":"https://api.agentstools.dev/scholar/citations?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"},"limit":{"type":"integer","maximum":50,"minimum":1,"description":"Max items to return, default 10"},"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_EQkga6__P7Db-oBX5KhW7","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":"Returns the full citation graph for an academic paper — works it references (outgoing) and works that cite it (incoming) — along with Semantic Scholar influential-citation counts, given any standard paper identifier or title.","exampleAgentPrompt":"Can you pull the full citation graph for the paper with arXiv ID 2401.01234 — I want to see both what it references and what papers have cited it, up to 25 results each way?","exampleUseCases":[{"title":"Map prior art for patent review","prompt":"I'm doing a prior-art search for a patent application on transformer-based language models. Can you pull the citation graph for the 'Attention Is All You Need' paper — I want to see everything it cites and all the papers that have cited it since, so I can map out the landscape?"},{"title":"Build literature review citation network","prompt":"I'm writing a systematic literature review on CRISPR gene editing. Can you grab the full citation graph for the paper with DOI 10.1126/science.1258096 — both its outgoing references and all incoming citations — so I can identify the key upstream and downstream works in the field?"},{"title":"Find influential papers citing specific study","prompt":"I need to understand the research impact of a PubMed article I'm tracking — PMID 31806906. Can you pull its citation graph and show me which papers citing it have been flagged as influential by Semantic Scholar? I want to focus my reading on the most significant follow-up work."}],"resultDescription":"A structured citation graph object containing: (1) a list of outgoing references (works this paper cites), (2) a list of incoming citations (works that cite this paper), each as normalized records with title, authors, year, venue, and identifiers, plus the Semantic Scholar influential-citation count for the paper.","failureModes":["Paper identifier not found in Semantic Scholar — returns empty or error if DOI/arXiv/PMID is invalid or not indexed","Title search ambiguity — if the title matches multiple papers, wrong paper may be resolved","Rate limiting or payment failure — 402 response if x402 payment is not processed","No citations found — paper exists but has zero references or citations in the database","Malformed identifier — unrecognized format for doi/arxiv/pmid returns validation error"],"whenToPreferThis":"Use this endpoint when you need structured, normalized citation data for a specific academic paper identified by DOI, arXiv ID, PMID, PMC ID, OpenAlex ID, or title. It is ideal for literature review automation, prior-art mapping, and citation network analysis. Prefer it over manual Semantic Scholar web scraping or full-text search endpoints when you already have a paper identifier and need its citation relationships.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:39:01.080Z","isFirstParty":false,"canonicalSlug":"semantic-scholar-citation-graph-lookup-7bd05b24"}