# Exa

> Web search API built for AI applications.

Source: https://trustkite.com/review/exa/
Last updated: 2026-10-24

## Customer rating

No customer reviews on TrustKite yet.

## About Exa

Exa is a web search engine built for AI applications. Its API returns web pages, content and highlights in a format that language models can use, helping developers ground AI answers in current web information.

It supports semantic search, finding similar pages and research agents. Exa is used by AI companies and developers building research tools. Usage is billed per request, with free credits to start.

## Key facts

- Based in: United States
- Category: AI Developer Platforms
- Available on: API, Web
- Website: exa.ai

## Key features

- Search API for AI
- Semantic web search
- Full page content and highlights
- Find similar pages
- Research endpoints

## Best for

- AI app developers
- Research agents
- Companies grounding AI in web data

## Alternatives

- [OpenAI API](https://trustkite.com/review/openai-api/): API access to OpenAI's GPT, image, speech and realtime models.
- [Claude Developer Platform](https://trustkite.com/review/claude-developer-platform/): API access to Anthropic's Claude models for building AI products.
- [Google AI Studio](https://trustkite.com/review/google-ai-studio/): Prototype and build with Google's Gemini models.
- [xAI API](https://trustkite.com/review/xai-api/): API access to xAI's Grok models.
- [Mistral AI](https://trustkite.com/review/mistral-ai/): Open and commercial language models with a developer platform.
- [Cohere](https://trustkite.com/review/cohere/): Enterprise language models for search, retrieval and agents.

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