{"slug":"factstamp-agentrails-workers-dev-citation-0171ac","title":"Check a citation before repeating it","host":"factstamp.agentrails.workers.dev","method":"POST","resource":"https://factstamp.agentrails.workers.dev/citation","category":"other","description":"Check a citation before repeating it. Give a DOI, an arXiv ID or a paper title; the answer says whether the work exists, what it is (title, authors, year, container) and whether it has been retracted. A title that is absent from both Crossref and arXiv returns not_found, and a near title match is ne","price_listed":0.02,"price_asked":0.02,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":199,"reported_calls_30d":6,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"query":"10.1038/nature12373"},"bodyType":"application/json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","additionalProperties":false,"properties":{"input":{"additionalProperties":true,"properties":{"body":{"type":"object"},"bodyType":{"const":"application/json"},"method":{"const":"POST"},"type":{"const":"http"}},"required":["type","method"],"type":"object"},"output":{"additionalProperties":true,"properties":{"example":{"type":"object"},"type":{"const":"json"}},"required":["type","example"],"type":"object"}},"required":["input","output"],"type":"object"},"history":[{"day":"2026-10-10","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.02,"price_match":true,"latency_ms":199,"error":null}],"description_full":"Check a citation before repeating it. Give a DOI, an arXiv ID or a paper title; the answer says whether the work exists, what it is (title, authors, year, container) and whether it has been retracted. A title that is absent from both Crossref and arXiv returns not_found, and a near title match is never reported as verified. Cited to the source record with its retrieval time. Verdicts: verified, ambiguous, retracted, not_found, unknown.","last_updated":"2026-10-09T11:55:01.15Z","schemes":["exact"]}