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Semantic Scholar Citation Graph Lookup
x402
Semantic Scholar Citation Graph Lookup is a paid API for AI agents from api.agentstools.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-10).
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.
Price / call$0.02
Success—
StatusUnknown
How this service works
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.
Output
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.
Example use cases
Map prior art for patent review
“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?”
Build literature review citation network
“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?”
Find influential papers citing specific study
“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.”
Technical details
Endpoint
GEThttps://api.agentstools.dev/scholar/citations?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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