# Create a username for user

This route creates a username for a user.

Endpoint: POST /resources/usernames/v1
Security: bearer

## Header parameters:

  - `frontegg-tenant-id` (string)
    The tenant identifier. Required for requests to api.frontegg.com (or your region) when using a management token. Parsed from the token when using user or API tokens

## Request fields (application/json):

  - `username` (string, required)
    The username to create. Allowed characters: alphanumeric (a-z, 0-9), ^, $, ., !, -, #, +, ', ~, _ (no spaces, no accents, automatically converted to lowercase). Max length: 128 characters.
    Example: "john.doe$!#-+'~_"


## Response 200 fields

## Response 201 fields