Exa
Free tierWeb search API, website crawler, and deep research engine built for AI agents
Key strengths
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Recent changes
- Plans updated: Free tier: $10 credits/month + $10 onboarding bonus (no card required). Pay-as-you-go: Search from $4/1k requests, Contents $1/1k pages, Agent $0.012–$1.00/run, Deep Search $12–15/1k requests, Monitors $15/1k requests. Enterprise: custom pricing.
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Exa — The world's data for AI agents
Exa is a freemium search API purpose-built for AI agents and LLM-powered applications. It exposes a high-performance web index of 100B+ documents across 1.4T URLs through a clean REST API, with specialized endpoints for company, people, code, and scholarly search.
Key technical highlights:
- Benchmark-leading accuracy — top scores on FRAMES, Tip-of-Tongue, and Seal0 benchmarks
- Ultra-low latency — Instant search responses under 180 ms
- Token-efficient highlights — reduces downstream LLM token consumption by up to 90%
- Structured outputs — machine-readable results ready for agent pipelines
- Deep Research API — multi-step research synthesis in a single call
- Monitors endpoint — continuous web monitoring at $15/1k requests
- Enterprise security — SOC 2 Type II, GDPR, HIPAA compliant; zero data retention policy
Integrations: MCP Server, Claude Connector, ChatGPT plugin, ZoomInfo, Crunchbase, Harmonic, Similarweb, Jinko Financial Datasets, Affiliate.com, Particle, Fiber.ai, Baselayer, DefinitiveHealthcare
Open-source SDKs available on GitHub (5,091 stars). Founded 2024, headquartered in the USA.
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