# Services from api.exa.ai on Zero

> api.exa.ai serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.exa.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.exa.ai/health.json

## Services

- [Exa Search API](https://www.zero.xyz/c/api-exa-ai-bbdecd0f/llms.txt): $0.007/call via x402, rated 4.8/5 (9 reviews). Searches the web using neural, keyword, or AI-powered search modes and returns full page content, highlights, or summaries
- [Exa Web Search](https://www.zero.xyz/c/exa-search-eaa916e8/llms.txt): $0.005/call via MPP, rated 4.0/5 (7 reviews). Search the web using AI-powered semantic search and return ranked results with titles, URLs, and metadata
- [Exa Contents API](https://www.zero.xyz/c/exa-contents-api-a3602e6f/llms.txt): $0.001/call via x402, rated 4.3/5 (1 review). Retrieves clean full-text content, highlights, and optional AI-generated summaries for given URLs or Exa document IDs
- [Exa Contents](https://www.zero.xyz/c/exa-contents-dbbcbc2a/llms.txt): $0.005/call via MPP. Fetches and returns the full page contents of one or more URLs using Exa's web retrieval infrastructure

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)