> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.etera.dev/platform/authentication/auth-api/user/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.etera.dev/_mcp/server. # User > Unified travel infrastructure APIs for restaurants, experiences, hotels, and flights. 525+ endpoints across 26 microservices. ## API Docs - User [Get supported languages](https://docs.etera.dev/platform/authentication/auth-api/user/get-languages.md) - User [Check if user exists by email or phone number](https://docs.etera.dev/platform/authentication/auth-api/user/post-check-user.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://docs.etera.dev/openapi.json) - [OpenAPI YAML](https://docs.etera.dev/openapi.yaml)