Send OTP to phone number
Sends a one-time password (OTP) to the provided phone number for verification
Sends a one-time password (OTP) to the provided phone number for verification
Phone number without country code (e.g., 589595029)
Country calling code with + prefix (e.g., +971, +1, +44)
Whether the user has completed onboarding (only included when isNewUser is false)
OTP code (only included in development mode for testing purposes)