Search the web
Tavily
Web search API for AI agents that returns ranked results with snippets or full page content, plus extract, crawl and research endpoints.
Methods
| Method | Used for | How |
|---|---|---|
| API key (bearer) | REST API | Authorization: Bearer tvly-YOUR_API_KEY |
| OAuth | Remote MCP server | Browser sign-in to a Tavily account when the client connects |
| API key in MCP URL | Remote MCP server | https://mcp.tavily.com/mcp/?tavilyApiKey=<your-api-key> |
| Keyless | Search and extract, rate-limited | Header X-Tavily-Access-Mode: keyless |
Source4Search API reference
Getting access
Read from Tavily’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/search-the-web/tavily.md