This tutorial explains how to receive SMS messages with ASP.NET MVC using Vonage's C# Client Library.

OAuth without two-factor authentication (2FA) isn't very secure. Find out how to add 2FA to your Android app with the Nexmo Verify SDK and Firebase.

Learn how to add 3 types of two-factor authentication -- login, phone, and biometric -- to an iOS app using the Nexmo Verify SDK.

Learn how to secure your ASP.NET application with Two-factor authentication using Vonage SMS API and SendGrid email

The Vonage SMS API enables users to send and receive text messages. This tutorial will show you how to send an SMS with ASP.NET Core MVC and the Vonage API.