post https://api.frontegg.com/identity/resources/users/v1/phone/reset
This route triggers the system to email the user a code to reset their phone number and the route also generates a token. This is the first step in resetting a user’s phone number. Follow the process with the Verify password API. Send the user’s email as a POST body params. The code and token are needed in the next step of the reset process. A vendor token is required for this route, it can be obtained from the Vendor Authentication route.