Send a One-Time Passcode (OTP) to a User using their phone number. If the phone number is not associated with a user already, a user will be created.
Cost to send SMS OTP
Note: SMS to phone numbers outside of the US and Canada is disabled by default for customers who did not use SMS prior to October 2023. If you're interested in sending international SMS, please reach out to firstname.lastname@example.org.
Collect the OTP which was delivered to the User. Call Authenticate OTP using the OTP code along with the phone_id found in the response as the method_id.