sortstring
Sort results by field:order. Available fields: paperId, publicationDate, citationCount. Default field is paperId, default order is asc. Ties broken by paperId. Records with null sort values appear at end regardless of order. Examples: 'publicationDate:asc' (oldest first), 'citat…
yearstring
Publication year or year range filter (inclusive). Examples: '2019' (year 2019), '2016-2020' (range), '2010-' (on or after 2010), '-2015' (before or on 2015).
querystring
Optional text query matched against paper title and abstract. All terms are stemmed in English. By default, all query terms must be present. Supports boolean operators: + (AND), | (OR), - (NOT), "" (phrase), * (prefix match), () (precedence), ~N (fuzzy match with edit distance N…
tokenstring
Pagination token from previous response. Used to fetch the next batch of papers. Each response returns a new token when more results are available.
venuestring
Comma-separated list of venue names. ISO4 abbreviations supported. Papers from any listed venue are returned. Examples: Nature, New England Journal of Medicine, Radiology, N. Engl. J. Med.
fieldsstring
Comma-separated list of fields to return. paperId is always returned. If omitted, only paperId and title are returned. Available fields: title, abstract, venue, publicationVenue, year, publicationDate, authors, externalIds, url, referenceCount, citationCount, influentialCitation…
fieldsOfStudystring
Comma-separated list of fields of study. Papers in any listed field are returned. Available fields: Computer Science, Medicine, Chemistry, Biology, Materials Science, Physics, Geology, Psychology, Art, History, Geography, Sociology, Business, Political Science, Economics, Philos…
openAccessPdfstring
Restricts results to papers with a public PDF. This parameter does not accept any values - its presence activates the filter.
minCitationCountinteger
Minimum number of citations required. Must be non-negative.
publicationTypesstring
Comma-separated list of publication types to include. Available types: Review, JournalArticle, CaseReport, ClinicalTrial, Conference, Dataset, Editorial, LettersAndComments, MetaAnalysis, News, Study, Book, BookSection. Papers matching any listed type are returned.
publicationDateOrYearstring
Date or year range filter (inclusive) in format <startDate>:<endDate>. Each date in YYYY-MM-DD format. Each term optional for open-ended ranges. Prefixes supported (e.g., 2020-06 matches June 2020). Papers without specific dates treated as published January 1st of their year. Ex…
