Exa
09 agent-services/Exa/ACTIVE/aka Exa Search, Metaphor
Exa is a search engine built for agents — an index queried by meaning (neural + keyword) with APIs that return clean page contents instead of a page of links.
What it does
- 01Meaning-based and keyword search
- 02Clean contents API (no scraping)
- 03Find-similar and answer endpoints
- 04Agent-tuned latency
- 05Research-grade recall
Who it's for
Agents that read the web — research, enrichment, RAG — where 'ten blue links' is the wrong shape of result.
Pricing
Free tier; per-request pricing. List prices as checked against the vendor's pricing page on 2026-09-25; plans change often, so confirm before deciding.
caveat · before you adopt
A curated web index, not the live web — for fresh or paywalled pages you may still need browser agents.
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Frequently asked
What is Exa?
Exa is a search engine built for agents — an index queried by meaning (neural + keyword) with APIs that return clean page contents instead of a page of links.
Who is Exa for?
Agents that read the web — research, enrichment, RAG — where 'ten blue links' is the wrong shape of result.
How much does Exa cost?
Free tier; per-request pricing. List prices as checked against the vendor's pricing page on 2026-09-25; plans change often, so confirm before deciding.
Does Exa run locally or in the cloud?
Exa runs in the vendor's cloud. Its interfaces are an API or protocol.
What are alternatives to Exa?
Other agent service entries in the catalog: AgentMail, x402, Agent Payments Protocol, Skyfire, Payman, Nevermined, AgentCard, Keycard, Arcade, Scalekit, Composio, E2B, Browserbase, Mem0. Different categories solve the same problem differently — see the Agent services category page for tradeoffs.
What should I know before adopting Exa?
A curated web index, not the live web — for fresh or paywalled pages you may still need browser agents.