SMS Phone Confirmation API — Introduction

This page introduces the SMS Phone Confirmation API used to verify that users own the phone number they provide.

Related SMS Phone Confirmation documentation:

• GDPR_MSG — send verification SMS
• GDPR_VERIF — verify PIN code
• SMS Confirmation Swagger documentation

SMS Phone Confirmation overview

Description

SMS Phone Confirmation is a verification system that ensures users truly own the phone number they provide.

It works by sending a unique code by SMS to the user's mobile device. The user must then enter this code to confirm ownership of the phone number.

This mechanism is similar to the 3D Secure process commonly used for online payment authentication, providing a reliable and secure method for validating mobile phone ownership.

Two-step flow

• /GDPR_MSG/ — sends an SMS containing a verification code, along with the selected GDPR communication consent channels. Returns an smsToken to pass to the next step.
• /GDPR_VERIF/ — verifies the PIN code entered by the user against the smsToken returned by GDPR_MSG.