Crossref DOI & Paper Metadata API: Citations, Journals

OpenAlex Research Scraper - Papers, Authors & Citations

thirdwatch/openalex-research-scraper

Search OpenAlex scholarly works and export DOI, title, authors, institutions, abstract, citations, topics, open-access status, publication data, and source links. Built for research and data pipelines. No login, cookies, or API keys — clean JSON output and pay-per-result pricing.

PubMed Biomedical & Clinical Research Scraper

litezero/pubmed-medical-research-scraper

Extract 36M+ biomedical research papers, clinical trial citations, journal abstracts, medical authors, and DOI links from PubMed NCBI.

✅ Score any domain (0-100) for ChatGPT Search, Perplexity, Claude & Gemini citation readiness ($15/1k domains). ✅ Audits /llms.txt, robots.txt AI crawlers (GPTBot/ClaudeBot), Schema.org JSON-LD & auto-generates a ready-to-deploy /llms.txt file.

Name, brand, price, currency, stock, rating, images, SKU/GTIN and variants from a product page's schema.org JSON-LD, microdata or Open Graph tags. One JSON record per URL. Product Data Extractor API.

Pre-flight check for Shopify and WooCommerce product import CSV/XLSX files. Replays ~40 importer rules (Default Title trap, variation linking, duplicate SKUs, prices, image links, Excel mangling, mojibake), auto-fixes safe issues with a change log and splits importer-safe chunks.

Llm Ready Documentation Scraper

direct_duty/llm-ready-documentation-scraper

Developers and AI agents need to read documentation (e.g. Stripe Docs, Next.js Docs), but standard scrapers return noisy HTML that includes: navigation bars headers / footers ads / cookie banners This Actor must return pure content-only Markdown, suitable for vectorization and semantic search.

Article Extractor API — Title, Author, Date & Full Text

highbrow_fame/article-extractor-api

Extracts the article from any news or blog URL: title, author, published date, full text, Markdown, lead image and language. Works on paywall-free pages. Unofficial Article Extractor API.

Academic Paper Search: Crossref, arXiv & PubMed Scraper

pankajbhatia/academic-paper-search

Search research papers across Crossref, arXiv and PubMed (plus OpenAlex) in one run. Titles, authors, abstracts, DOIs, citation counts, journals and PDF links, merged and de-duplicated. For literature reviews, RAG and research.

Datacite Doi Scraper

kawsar/datacite-doi-scraper

Search and extract research datasets, software records, and DOIs effortlessly. Pull clean metadata including titles, creators, publishers, and publication years into JSON, CSV, or Excel without logins or setup.

URL to Markdown API — Clean Page Text for LLMs, RAG & Agents

highbrow_fame/url-to-markdown-api

Fetches any URL and returns clean Markdown (readability-extracted main content), title, metadata and links; optional headless browser for JS pages. Unofficial URL to Markdown API.