APIs (13)

Agent-friendly web APIs with clear docs, OpenAPI specs or llms.txt.

Machine-readable: /api/apis.json.

• arXiv API

  Programmatic search and metadata access to arXiv preprints via an Atom-based query interface.

• Brave Search API

  Web search API on Brave's independent index of 40+ billion pages, with specialized endpoints for search, AI grounding and more.

• Exa API

  Search and retrieval API built for AI agents, backed by Exa's own continuously updated web index and search models.

• Firecrawl API

  Web data API for AI agents: search the web, scrape any page to clean data and interact with it through one API.

• Jina Reader

  Converts any URL into LLM-friendly Markdown by prefixing it with https://r.jina.ai/.

• MediaWiki Action API (Wikipedia)

  The MediaWiki Action API used by Wikipedia and other wikis to query and retrieve page content and metadata.

• OpenAlex API

  Index of half a billion scholarly works with their authors, institutions, sources and topics, available via API and bulk download.

• OpenRouter

  Unified API for hundreds of LLMs from many providers behind one endpoint and key, with model and price comparison.

• Parallel Web APIs

  Web APIs for AI agents (Search, Extract, Task/Deep Research, FindAll, Monitor) for research, extraction and continuous monitoring.

• Perplexity API Platform

  Perplexity's API platform with Agent, Search and Embeddings APIs for real-time, web-grounded research and Q&A.

• Semantic Scholar Academic Graph API

  API over Semantic Scholar's academic graph of papers, authors and citations; an API key unlocks some endpoints and higher rate limits.

• Tavily API

  Real-time web layer for AI agents: search, extract, crawl, map and cited research returned as clean LLM-ready content.

• Wikidata Query Service

  SPARQL endpoint for querying Wikidata's structured knowledge graph.