Academic Papers Search API — OpenAlex, Crossref, arXiv, PubMed

OpenAlex Academic Research Scraper

cynix_dev/openalex-research

Search 250M+ scholarly works, authors, institutions, and concepts from the OpenAlex API. Get titles, authors, citations, open access status, PDFs, and concepts. No API key required.

Academic Paper Scraper

constant_quadruped/academic-paper-scraper

Search arXiv and PubMed in one request. Returns unified paper data: titles, authors, abstracts, DOIs, and PDF links. Filter by keywords, authors, categories, and date range. Built-in rate limiting and cross-source deduplication. Export to JSON, CSV, or Excel.

OpenAlex Research Data (papers, authors, institutions)

bgfc97/openalex-research

Search 240M+ scholarly works, authors and institutions via the free OpenAlex API. Title, year, citations, DOI, open-access status, venue, topics. No key, no proxy.

Search scholarly works in OpenAlex and return structured citations, authors, topics, open-access status, and citation counts.

Search 250M+ academic papers across every field: titles, abstracts, citation counts, journals, open-access PDF links. Find the top experts on any topic, look up researchers by name with ORCID, h-index and affiliations, or enrich DOI lists. No API key, no login.

Scrape academic paper records from Google Scholar. Returns title, authors, publication year, venue, snippet, PDF link, citation count, and cluster ID. Year range and language filters. Parse-confidence on every record. More fields than any competitor.

Search 250M+ scholarly works from OpenAlex — by keyword, author, institution or journal; filter by year, citations, open access and work type. No login, no API key, no captcha. Normalized JSON: DOI, title, authors, venue, year, citations, OA PDF link, abstract.

Search arXiv and get one row per paper: title, full abstract, every author, categories, the bare arXiv id plus its version, a direct PDF link, DOI and journal reference. arXiv query syntax, category filter, bulk searches. $0.01 per paper.

arXiv via export.arxiv.org — search papers by keyword, get title, authors, abstract, subjects, dates. Plain fetch ATOM, 200 clean without key.

Crossref DOI & Academic Metadata Scraper

cynix_dev/crossref-doi-scraper

Look up DOIs and search 150M+ scholarly works via the official Crossref API: titles, authors, publishers, journals, open-access, funders.