> 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/phone-auth/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.etera.dev/_mcp/server. # Phone Auth > Unified travel infrastructure APIs for restaurants, experiences, hotels, and flights. 525+ endpoints across 26 microservices. ## API Docs - Phone Auth [Send OTP to phone number](https://docs.etera.dev/platform/authentication/auth-api/phone-auth/post-phone-number-send-otp.md) - Phone Auth [Verify phone OTP](https://docs.etera.dev/platform/authentication/auth-api/phone-auth/post-phone-number-verify.md) - Phone Auth [Change phone number](https://docs.etera.dev/platform/authentication/auth-api/phone-auth/post-phone-number-change.md) - Phone Auth [Send OTP to new phone number for change](https://docs.etera.dev/platform/authentication/auth-api/phone-auth/post-phone-number-change-send-otp.md) - Phone Auth [Sign in with phone](https://docs.etera.dev/platform/authentication/auth-api/phone-auth/post-phone-number-sign-in.md) - Phone Auth [Reset password with phone](https://docs.etera.dev/platform/authentication/auth-api/phone-auth/post-phone-number-reset-password.md) - Phone Auth [Get supported countries](https://docs.etera.dev/platform/authentication/auth-api/phone-auth/get-phone-countries.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)