# Exa [09 agent-services](https://www.agentlist.io/categories/agent-services)/[Exa](https://www.agentlist.io/ai/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. - [Web research](https://www.agentlist.io/capabilities/web-research) - [API-native](https://www.agentlist.io/capabilities/api-native) SEC.01 ## What it does - 01Meaning-based and keyword search - 02Clean contents API (no scraping) - 03Find-similar and answer endpoints - 04Agent-tuned latency - 05Research-grade recall SEC.02 ## Who it's for Agents that read the web — research, enrichment, RAG — where 'ten blue links' is the wrong shape of result. PRICING ## 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. ALT ## Other agent services (14) [AgentMail AgentMail · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/agentmail) [x402 Coinbase · agent-services api · local/cloud · Open protocol (free); settlement on-chain](https://www.agentlist.io/systems/x402) [Agent Payments Protocol Google · agent-services api · local/cloud · Open protocol (free)](https://www.agentlist.io/systems/ap2) [Skyfire Skyfire · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/skyfire) [Payman Payman · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/payman) [Nevermined Nevermined · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/nevermined) [AgentCard AgentCard · agent-services api/cli · cloud · Per-card funding; no subscription](https://www.agentlist.io/systems/agentcard) [Keycard Keycard · agent-services api · cloud · Usage-based (verify)](https://www.agentlist.io/systems/keycard) [Arcade Arcade · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/arcade) [Scalekit Scalekit · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/scalekit) [Composio Composio · agent-services api · local/cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/composio) [E2B E2B · agent-services api · cloud · Free tier; usage-based](https://www.agentlist.io/systems/e2b) [Browserbase Browserbase · agent-services api · cloud · Free tier; usage-based (verify)](https://www.agentlist.io/systems/browserbase) [Mem0 Mem0 · agent-services api · local/cloud · Free OSS; cloud tiers (verify)](https://www.agentlist.io/systems/mem0) FAQ ## 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. Spec sheet **Name**: Exa **Vendor**: [Exa](https://www.agentlist.io/ai/exa) **Category**: [Agent services](https://www.agentlist.io/categories/agent-services) **Interfaces**: api **Hosting**: cloud **Pricing**: Free tier; per-request pricing **Status**: actively maintained **Integrates**: - [MCP servers](https://www.agentlist.io/integrations/mcp-servers) **Speaks**: - [MCP (Model Context Protocol)](https://www.agentlist.io/transports/mcp) **Aliases**: Exa Search, Metaphor **Record ID**: `sys://exa/exa` **Verified**: [2026-09-25](https://www.agentlist.io/changelog) Sources - [↗ exa.ai](https://exa.ai/) - [↗ github.com/exa-labs/exa-py](https://github.com/exa-labs/exa-py) Catalog entries are editorial records, not paid placements or endorsements. Pricing and status are approximate as of the seed date. --- Source: [Exa — AGENT-SVC by Exa | agentlist.io](https://www.agentlist.io/systems/exa). This is the public page rendered as Markdown; interactive controls require the website.