In-App Messaging Overview

Product deprecation notice

Effective April 30th, 2026, Vonage In-App Messaging will no longer be available. Access for new users will be closed, and the service will be discontinued for all existing users.

If you have any questions regarding this product’s discontinuation, please contact your account manager or our support team.

The Vonage Client SDK enables you to build a two-way messaging experience into your application. Offering functionality such as:

  • 1-1 and Group Conversations
  • Text, Image, Custom and Ephemeral Messages
  • Message Deletion
  • Push Notifications (Android and iOS)

Extendability Through the Messages API

The Conversation API, which powers In-App Messaging, can be connected with the Messages API. This allows for Messages API Channels, such as SMS and WhatsApp, to be a part of an In-App Messaging Conversation. To learn more about this view the Messages API Integration Guide.

Setup

Tutorials

Guides

In-app Messaging Guides:

Reference