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from $1.88 / 1,000 results

Academic Search API

Academic Search API is a research paper search API that queries OpenAlex, Crossref, PubMed and DOAJ in one call and returns 19 normalized fields per paper: DOI, title, abstract, authors, venue, year, citations, open-access flag and PDF link, merged on DOI across indexes. No API key. $0.0025 a paper.

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from $1.88 / 1,000 results

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All Academic Papers Search

agentx/all-academic-papers-search

All Academic Papers Search is an academic paper search API that queries OpenAlex, Crossref, PubMed and DOAJ in one request and returns 19 fields per paper: DOI, title, abstract, authors, venue, year, citations, open-access status and PDF link, merged on DOI across the four indexes. $0.002 a paper.

AgentX

Academic Paper Search Scraper - Crossref API

chrisp1211/crossref-scraper-max

Academic Paper Search Scraper — Crossref API. No key. $0 on failed or empty runs.

Christian Pichichero

Crossref Academic Paper Metadata Scraper

parseforge/crossref-academic-paper-scraper

Scrapes academic paper metadata from Crossref by search query or publication type. Returns DOI, title, authors, journal, citation counts, and dates.

ParseForge

Research Paper Scraper: OpenAlex, Crossref & arXiv

glitchbound/research-scraper

Search 250M+ academic papers across OpenAlex, Crossref and arXiv in one table: title, authors, institutions, venue, DOI, citation count, open-access status, topics, abstract and PDF links. Filter by year, citations or open access. Cross-source duplicates removed by DOI.

Daniel Meshulam

Academic Paper Resolver — DOI/arXiv to Citations for AI

haketa/academic-resolver

Resolve any DOI, arXiv, PubMed ID or paper title into rich metadata: authors, abstract, venue, citation count, references, open-access PDF and cross-IDs. Merged from multiple scholarly sources into RAG-ready Markdown for AI agents & research tools.

Haketa

Crossref Api Scraper

velvety_bedbug/crossref-api-scraper

Searches and scrapes academic paper metadata from the CrossRef API. Filter by publication type, journal, funder, and year range. Returns DOI, title, authors, abstract, citation counts, and more. No API key required.

Peters Bugs

Research Paper Search — Academic Papers to JSON (OpenAlex)

oblanceolate_mandola/research-paper-search

Search academic papers by topic via OpenAlex. Title, authors, year, citations, DOI, venue as JSON for research & literature-review AI agents. $3 per 1,000, no coding.

Hassan Hashish

ArXiv Paper Scraper

alleserojje/arxiv-paper-scraper

Search arXiv and export structured paper metadata — title, authors, abstract, categories, DOI, PDF link — via the official arXiv API. No key, no anti-bot. Pay per paper.

Pedro Resende

Academic Research & Papers Scraper (OpenAlex)

rupom888/academic-research-scraper

Search 200M+ academic papers, researchers, and institutions via OpenAlex API. Completely free, no API key needed. Get paper titles, abstracts, DOIs, citations, authors, open access links, and concepts. Filter by year, paper type, open access, and field of study.

Syed Rupom

arXiv Search & Paper Scraper

scrapeworks/arxiv-search

Search arXiv and get clean structured JSON for each paper: title, authors, abstract, categories, DOI, PDF link, and dates. Built for research, datasets, and AI pipelines.