What it returns
Search the scholarly literature from one actor. Query Crossref (150M+ journal articles, books and proceedings), arXiv (preprints) and PubMed (biomedicine) together, and get clean, de-duplicated paper records ready for a spreadsheet or a database.
Title, abstract, authors, affiliations, DOI, publication date and year, journal or venue, publisher, type, citation count (Crossref), reference count, subjects or arXiv categories, MeSH terms and keywords (PubMed), licence, volume, issue and pages, and links to the landing page and PDF (arXiv, PubMed Central, open-access publishers).
Common uses
Literature reviews, research monitoring on a schedule, building RAG and training corpora from abstracts, competitive R&D intelligence, and finding experts by topic.
Request
POST https://api.pushbuild.com/academic-papers/run with a JSON body. Send your key in the X-API-Key header.
| Field | Type | Description |
|---|---|---|
searchQueries | list of strings | Topics or keywords. arXiv field syntax (ti:, au:, cat:) and PubMed syntax ([tiab], [au], MeSH) work for those sources. |
sources | list of strings | Which databases to search. Results from several sources are de-duplicated by DOI. Default: ["crossref"]. |
dois | list of strings | Look up specific papers by DOI or doi.org link. |
maxResultsPerQuery | integer | Cap for each query in each source. Default: 100. |
sort | string: relevance, newest, mostCited | Result order. Default: "relevance". |
fromDate | string | Earliest publication date (YYYY-MM-DD). |
untilDate | string | Latest publication date (YYYY-MM-DD). |
openAccessOnly | boolean | Crossref only: keep works that carry a licence (mostly open access). Default: false. |
crossrefType | string: journal-article, proceedings-article, book-chapter, posted-content, book, dissertation, report | Crossref only: restrict to one type of work. |
maxItems | integer | Maximum items to return (1-500). Default: 100. |
Example
curl -X POST https://api.pushbuild.com/academic-papers/run \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"searchQueries": ["large language models clinical"], "sources": ["crossref", "arxiv", "pubmed"], "maxItems": 20}'
Response
{"count": 20, "truncated": false, "seconds": 1.4, "items": [ { ... } ]}
Each call returns up to 500 items. Records that fail validation or are not found are flagged in the items and not charged.
Pricing
Pay only for results returned: $0.64 per 1,000 papers. No charge for errors or empty searches.
Related APIs
Article & Web Page to Markdown API
Turn any URLs into clean, Markdown, text or JSON.
Book Search API
Search millions of books by keyword, title, author, subject or ISBN, plus author lookup.
College Scorecard: US Colleges, Costs, Earnings by Major API
Every US college from the Department of Education College Scorecard: admission rate, SAT/ACT, tuition, net price, completion and retention, median debt and graduates' earnings, plus program-level (major) debt and earnings 1 to 5 years after graduation..
Currency Exchange Rates API
Official European Central Bank reference exchange rates for 30+ currencies, daily since 1999.
CVE Vulnerability Lookup: NVD, CISA KEV, EPSS, OSV API
Look up CVEs by ID or keyword, or check open-source packages for known vulnerabilities.
DexScreener Scraper API
Real-time DEX pair data from DexScreener for any token, pair or search: price, liquidity, FDV, market cap, volume, buys and sells, price change, socials.
Tell us what you need built.
Questions about this API, higher volumes, or a data source you need that we don't cover yet.
hello@pushbuild.com