# User Signup Register a new user account Endpoint: POST /auth/signup Version: 1.0.0 Security: ## Request fields (application/json): - `username` (string, required) User's email address Example: "user@example.com" - `givenName` (string, required) User's first name Example: "John" - `familyName` (string, required) User's last name Example: "Doe" ## Response 200 fields