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Semantic Scholar Citation Graph Lookup
x402
Semantic Scholar Citation Graph Lookup is a paid API for AI agents from payai.agentstools.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Returns the full citation graph for a paper — both outgoing references and incoming citations — with normalized records and influential-citation counts, given any common 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
Returns a citation graph object with two lists: outgoing references (works the paper cites) and incoming citations (works that cite the paper), each as normalized records with metadata such as title, authors, year, and identifiers, plus the Semantic Scholar influential-citation count for the paper.
Example use cases
Example prompt
“Can you pull the full citation graph for the paper '2401.01234' on arXiv — I want to see both what it cites and what papers have cited it, plus the Semantic Scholar influential-citation count?”
Technical details
Endpoint
GEThttps://payai.agentstools.dev/scholar/citationsWhen to prefer
Use this endpoint when you need to explore the citation network around a specific known paper — either to find its sources (references) or downstream impact (who cited it). Prefer this over a general literature search when you already have an identifier (DOI, arXiv ID, PMID, etc.) or a precise title and need structured, bidirectional citation data including Semantic Scholar's influential-citation signal.
Side effects
- Paper not found for the given identifier — returns empty results or a not-found error
- Ambiguous title match — may resolve to wrong paper if title is non-unique
- Rate limiting or payment failure — endpoint returns 402 if USDC payment not accepted
- arXiv/DOI format error — returns validation error if identifier is malformed
- Limit parameter out of range (must be 1–50) — returns schema validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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