supermarket

Search the web

Exa

Web search API with its own index that returns ranked pages with full text, highlights or summaries.

At a glance

Provider
Exa Labs
Category
Search the web
Type
Hosted API
Pricing model
Pay as you go, prepaid credit; no subscription1
Free tier
$10 credit a month, no card1
Authentication
API key; OAuth or keyless for the MCP server4
Connect via
REST API, hosted and local MCP server, Python and JS SDKs, agent skills6
Read from the provider's pages
2026-11-04
Pricing
  • Pricing model: Pay as you go with prepaid credits
  • Free tier: $10 in credits on sign-up, reset to $10 on the first of each month; one-time $10 onboarding bonus
  • Card required for free tier: No
Pricing in full →Tools
  • Official MCP server: Yes, remote and local
  • Address or package: https://mcp.exa.ai/mcp (remote); exa-mcp-server on npm (local)
  • Tools listed without credentials: 2 (web_search_exa, web_fetch_exa); the server reports 3.5.0
Tools in full →Authentication
  • Who creates the account: A person; an agent cannot register itself
  • Where to get a key: Dashboard at https://dashboard.exa.ai/api-keys
  • Other requirements: None for the free tier; a card to buy credit beyond it
Authentication in full →Setup
  • REST API: https://api.exa.ai
  • MCP server: https://mcp.exa.ai/mcp
  • OpenAPI spec: https://exa.ai/docs/exa-spec.json (also .yaml)
Setup in full →Limits
  • Maximum results per search: 100
  • Over the limit: 429 Too Many Requests; wait for Retry-After
  • Concurrency (Agent runs): 50 active runs
Limits in full →Privacy
  • Data location: Not published
  • Retention: Not published
  • Used for training: Yes: Exa uses query data to improve and train its models
Privacy in full →

Read from Exa Labs’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/search-the-web/exa.md