> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.emnify.com/developers/api/authentication/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.emnify.com/_mcp/server.

# Authentication


## API Docs

- Authentication [Retrieve authentication token](https://docs.emnify.com/developers/api/authentication/authenticate.md)
- Authentication [Create an MFA key](https://docs.emnify.com/developers/api/authentication/post-mfa.md)
- Authentication [Activate MFA key](https://docs.emnify.com/developers/api/authentication/user-mfa-by-id-patch.md)
- Authentication [Delete an MFA key](https://docs.emnify.com/developers/api/authentication/user-mfa-by-user-id-and-key-id-delete.md)
- Authentication [List MFA key statuses](https://docs.emnify.com/developers/api/authentication/user-mfa-status-get.md)
- Authentication [List MFA key types](https://docs.emnify.com/developers/api/authentication/user-mfa-type-get.md)
- Authentication [List trusted devices](https://docs.emnify.com/developers/api/authentication/user-mfa-trusted-device-by-user-id-get.md)
- Authentication [Delete a trusted device](https://docs.emnify.com/developers/api/authentication/user-mfa-trusted-device-by-user-id-and-device-id-delete.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.emnify.com/developers/api/authentication/openapi.json)
- [OpenAPI YAML](https://docs.emnify.com/developers/api/authentication/openapi.yaml)