# Exa

> AI-powered web search API that enables developers to build search and retrieval capabilities into their applications with semantic understanding.

Exa is an AI-powered search engine built from scratch specifically for the AI world, offering a comprehensive web search API that enables developers to integrate powerful search and retrieval capabilities into their applications. The platform features an in-house vector database with semantic retrieval, providing highly accurate and relevant search results across the entire web. Exa serves as the backbone for AI applications requiring real-world data grounding, trusted by companies like Notion, Vercel, Flatfile, and OpenRouter.

- **Search Endpoint** allows you to search for a list of results and their contents using natural language queries, returning relevant web pages with metadata and full text content.

- **Crawl Functionality** retrieves all pages on a site and extracts their contents, enabling comprehensive data collection from specific domains.

- **Answer Endpoint** provides summaries of web results in natural language, making it easy to get synthesized information from multiple sources.

- **Research Endpoint** delivers in-depth research with structured output, pulling from thousands of documents, PDFs, and web pages for comprehensive analysis.

- **Websets** offers the most powerful search capability built to handle complex queries and find thousands of results for advanced use cases.

- **Advanced Filtering** enables searching over custom subsets of the web by domain, location, semantic category, and more for tailored AI workflows.

- **Enterprise Security** includes SOC 2 Type II certification, zero data retention options, single sign-on, comprehensive DPAs, SLAs, and high-capacity rate limits.

- **Industry-Specific Solutions** support coding agents with Stack Overflow and GitHub repo search, finance with historical market data, recruiting with LinkedIn profile search, and marketing with social platform integration.

To get started, sign up for a free account on the Exa dashboard, obtain your API key, and begin making search requests using the provided SDKs or REST API. The platform offers a playground for testing queries and comprehensive documentation for integration guidance.

## Features
- Semantic web search with AI-powered retrieval
- Full-text content extraction from search results
- Website crawling and content retrieval
- Natural language answer generation
- In-depth research with structured output
- Websets for complex queries with thousands of results
- Domain and category filtering
- Location-based filtering
- Real-time index updates
- Historical web data access
- Code documentation and repository search
- LinkedIn and people profile search
- SOC 2 Type II certification
- Zero data retention options
- Single sign-on support
- High-capacity rate limits

## Integrations
Notion, Cursor, Stack AI, OpenRouter, Flatfile, Vercel

## Platforms
WEB, API

## Pricing
Open Source, Free tier available

## Links
- Website: https://exa.ai
- Documentation: https://docs.exa.ai/
- Repository: https://github.com/exa-labs
- EveryDev.ai: https://www.everydev.ai/tools/exa