{"slug":"research-halowerk-com-v1-paper-search-8f3317","title":"Searches OpenAlex and Crossref for publications and returns each with its DOI, a","host":"research.halowerk.com","method":"POST","resource":"https://research.halowerk.com/v1/paper-search","category":"search","description":"Searches OpenAlex and Crossref for publications and returns each with its DOI, authors and their affiliations, publication year, venue, abstract, citation count and, where one exists, a direct link to a legally free full text with the licence it is offered under. OpenAlex stores abstracts as an inve","price_listed":0.005,"price_asked":0.005,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":939,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"doi":"beispiel","query":"beispiel"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"author":{"description":"Restrict to an author name.","maxLength":200,"type":"string"},"doi":{"description":"Exact DOI. Either this or query.","maxLength":200,"type":"string"},"from_year":{"description":"Earliest publication year.","maximum":2100,"minimum":1600,"type":"integer"},"limit":{"default":10,"description":"How many results.","maximum":25,"minimum":1,"type":"integer"},"open_access_only":{"default":false,"description":"Only publications with a free full text.","type":"boolean"},"query":{"description":"Search terms. Either this or doi.","maxLength":300,"type":"string"},"sort":{"default":"relevance","description":"Result ordering.","enum":["relevance","citations","newest"],"type":"string"},"to_year":{"description":"Latest publication year.","maximum":2100,"minimum":1600,"type":"integer"}},"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-18","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.005,"price_match":true,"latency_ms":939,"error":null}],"description_full":"Searches OpenAlex and Crossref for publications and returns each with its DOI, authors and their affiliations, publication year, venue, abstract, citation count and, where one exists, a direct link to a legally free full text with the licence it is offered under. OpenAlex stores abstracts as an inverted word index rather than text; it is reconstructed here, because the raw structure is unusable. Results can be filtered by year and restricted to open access.","last_updated":"2026-10-13T07:55:09.811Z","schemes":["exact"]}