Exa AI

Exa is a real-time AI search engine and API platform for developers, AI teams, and enterprises that need reliable web discovery, crawling, and structured extraction for AI apps, agents, and research automation.

Key capabilities include:

• Web Search API with latency profiles (instant, fast, auto), embedding-based search, natural language queries, built-in summaries, and high search diversity for grounding LLM outputs with citations.
• Web Crawling and Contents APIs to extract full-page content and token-efficient representations, suitable for RAG pipelines, monitoring, and dataset creation.
• SERP and deep research tools (including multi-step research and structured outputs) designed for autonomous research tasks and agent workflows.
• Filtering controls for domain, location, semantic category, published date, and phrase matching to tailor retrieval to specific use cases or curated web subsets.

Pricing: Credit-based, paid plans with Starter $49/month (8,000 credits), Pro $449/month (100,000 credits), and Enterprise (custom). Includes pay-as-you-go with $10 free credits, up to 1,000 free requests/month, and $1,000 free credits for startups and education projects.

Notable for its minute-level index updates, support for niche sources (including platforms like Twitter), and enterprise controls such as zero data retention, SOC 2 Type II, and single sign-on for production deployments.