Research and knowledge
Scholarly, reference and public information services with documented machine access.
Services are ordered by documented operations, attributed reports and current documentation. 64 services are classified here. Each card shows the interfaces a service offers; open it for access requirements and sources.
Categories · Tasks · Interfaces · How listings are checked
OpenAlex
OpenAlex is a fast, modern REST API over a dataset of scholarly works, authors, sources, institutions, and topics.
Research and knowledge
APIMCP · Documentation checked: 2026-10-06CLI · Documentation checked: 2026-10-13Exa
Web search API built for AI agents, with content extraction and a hosted MCP server.
Research and knowledge · Developer tools
MCP · Access documentation verifiedAPI · Access documentation verifiedTavily
Web search, extract, crawl and research API for AI agents, with a remote MCP server.
Research and knowledge · Developer tools
API · Access documentation verifiedMCP · Access documentation verifiedApify
Platform and marketplace of Actors for web scraping, data extraction and browser automation, with a REST API, hosted MCP server and CLI.
Developer tools · Research and knowledge
API · Access documentation verifiedMCP · Access documentation verifiedScrapingBee
Web scraping API with JavaScript rendering, proxy rotation and data extraction, plus a CLI and a remote MCP server.
Developer tools · Research and knowledge
API · Access documentation verifiedMCP · Access documentation verifiedCLI · Access documentation verifiedWorld Monitor
World Monitor provides real-time global intelligence over MCP, including a catalog describing its upstream data providers and public source identities.
Research and knowledge · news · Public data · mcp
MCP · Access documentation verifiedTavily
Web search, extract, crawl and research API for AI agents, with a remote MCP server.
Research and knowledge · Developer tools
API · Access documentation verifiedMCP · Access documentation verifiedJina AI
Search foundation APIs including Reader (URL to LLM-ready text) and web Search.
Research and knowledge · Developer tools
API · Access documentation verifiedAPI · Access documentation verifiedInsiderAlpha
InsiderAlpha provides SEC insider-transaction research and market information.
Finance and economic data · Research and knowledge · mcp
MCP · Access documentation verifiedSemantic Scholar
Free scholarly data API for papers, authors, citations and venues from the Allen Institute for AI.
Research and knowledge
API · Access documentation verifiedBrave Search API
Independent web search API for developers and AI agents: web, news, images, LLM context and answers.
Research and knowledge · Developer tools
API · Documentation checked: 2026-10-06API · Access documentation verifiedOpen Library
Open book catalog with JSON APIs for searching books, authors, covers and editions.
Research and knowledge · Media and entertainment
API · Documentation checked: 2026-10-07Firecrawl
Web data API for AI agents to search, scrape, crawl and interact with web pages, with a hosted MCP server.
Research and knowledge · Developer tools
MCP · Documentation checked: 2026-10-06API · Documentation checked: 2026-10-06The Used Car Index
The Used Car Index provides provider-reported vehicle complaints, recalls, investigations and listing changes. Its public demo API returns recorded vehicle facts without an API key.
automotive · vehicle data · Research and knowledge · api
API · Documentation checked: 2026-10-10TopAlternativesTo
A software comparison directory with checked pricing, source dates, and independent software assessments.
Research and knowledge · software-directory · API
API · Access documentation verifiedRAG Repo
Curated directory of open datasets and knowledge bases for AI systems, with a free read-only JSON API for its catalogue and update feed.
dataset-catalogue · knowledge-bases · api · Research and knowledge
API · Access documentation verifiedFeason Context
Developer API that retrieves cited Christian-scripture and historical-theology context from a shared canonical corpus for downstream applications.
API · Research and knowledge
API · Access documentation verifiedCanvas LMS
Learning management system with API resources for courses, assignments, calendars and related education workflows, accessed within an authorized Canvas instance.
Research and knowledge · learning management · Productivity and collaboration
API · Access documentation verifiedPapers With Backtest
Papers With Backtest provides a catalog of backtested research papers, strategies, and financial data for quantitative research.
Finance and economic data · Research and knowledge · API
API · Access documentation verifiedParallel
Web search API that returns relevant web excerpts for research workflows.
search · Research and knowledge · web-data
API · Access documentation verifiedOpenChainBench
Public benchmark directory for crypto infrastructure, with an MCP read that lists published benchmark values and citations.
API · Research and knowledge
MCP · Access documentation verifiedZenodo
Zenodo is a general-purpose repository for research outputs, with a REST API for searching published records.
Research and knowledge · open-data · Developer tools
API · Access documentation verifiedReadwise
Readwise helps people revisit and organize highlights from books, articles, and other reading.
Productivity and collaboration · Research and knowledge
API · Access documentation verifiedMinds
Synthetic research and AI audience simulation platform with an authenticated API for listing Minds owned by the account.
artificial intelligence · Research and knowledge · Developer tools
API · Access documentation verified