Crossref Scraper - DOI, Citations, Academic Papers

Crossref Academic Paper Search

ryanclinton/crossref-paper-search

Search over 150 million scholarly works indexed by Crossref -- the largest open registry of DOI metadata in the world. Retrieve structured publication data including titles, authors with ORCID identifiers, citation counts, journal names, funding information, abstracts, and more. No API key required.

Scrape Crossref — largest DOI registry for academic literature. Modes: search works, DOI lookup, journal metadata, funder info, affiliation search. Extracts titles, authors, DOIs, ISSN, references, citations. Official REST API, no auth, 50 req/sec. For research & citation analysis.

SciELO Scraper - LATAM Academic Papers

gio21/scielo-scraper

Search SciELO for Latin American open-access academic papers. Get title, authors, journal, year, abstract, DOI, languages.

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.

Search 150M+ scholarly works from CrossRef — DOI, title, authors, journal, publisher, citations & dates. Filter by date & type. Free keyless API.

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.

Extract academic publication metadata from Crossref: DOI, title, authors, ORCIDs, affiliations, journal, publisher, citation count, subjects and funders. Search by keyword, author, journal, publisher, work type and date range. 160M+ records, no API key required.

Crossref Scholarly Scraper — DOIs, Citations & Journals

logiover/crossref-scraper

Scrape Crossref by keyword, ISSN, or DOI list. Extract title, authors, DOI, citations, journal, publisher, funding, license for research, bibliometrics, and academic analysis. No API key required.

GBIF Biodiversity Scraper - Species, Occurrences

gio21/gbif-scraper

Search species occurrences and taxonomy from GBIF (Global Biodiversity Information Facility) free public API.

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

insight.solutions/academic-papers-api

Search OpenAlex, Crossref, arXiv and PubMed, or look up DOIs, arXiv ids and PMIDs. One merged row per paper: title, abstract, venue, year, DOI, citations, open-access status and PDF link, authors with institutions, topics. Filter by year, type, open access, citations. No API key.