Exa

Exa is a web search API built for AI apps that returns ranked results plus page text or highlights in one call. It supports search modes from instant to deep research, category and domain filters, and Python and JavaScript SDKs.

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Exa at a glance

From official pages, checked Nov 15, 2026. Tap the arrow for each source.

Free tier: Yes
$10 in credits each month, resets monthly (up to 2,500 Lite searches).
Starting price: $4 per 1,000 searches
Pay-as-you-go Lite search, up to 10 results per request.
Rate limit: 10 QPS
Default for /search, /answer and /chat/completions; /contents is 100 QPS.
Size limit: 100 results per query
Public max for numResults; higher limits by emailing Exa support.
Official SDKs: PythonJavaScript / TypeScript
Compliance: SOC 2
SOC 2 Type II certified. HIPAA is only offered as an Enterprise option to discuss with sales.

What you can build with Exa

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Find recent sources with key excerpts using Exa search

Search the web from TypeScript and get titles, URLs and relevant highlights in one Exa call, with domain and date filters.

Free tier: YesFrom $4 per 1,000 searches

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Recent updatesAll updates

Nov 15, 2026
Exa Search runs in the EU on api.eu.exa.ai, with EU-only API keys (November 13, 2026)
Exa adds an EU endpoint for Search and Contents. EU keys work only there, and only the auto and lite search types are served.
Oct 20, 2026
Exa adds a lite search type on October 19, 2026: $4 per 1k requests, and fast, instant and deep-reasoning become legacy
Exa /search gets type lite at $4 per 1k requests (up to 10 results), cache only. fast, instant, deep-reasoning are now legacy.