Messages API Concepts

These pages explain key concepts and terminology for the Messages API:

• Understanding Facebook messaging - Learn more about getting started with our Facebook messaging solution for businesses.
• Understanding Viber messaging - Learn more about getting started with our Viber messaging solution for businesses.
• Understanding WhatsApp messaging - Learn more about getting started with our WhatsApp messaging solution for businesses.
• Understanding RCS messaging - Learn more about getting started with our RCS messaging solution for businesses.
• Secure Inbound Media - The Messages API now offers businesses the option to enhance security for protecting media files sent to them by their end users.
• Custom objects - Understanding custom objects with the Messages API.
• Messages API Sandbox - Understanding and utilizing the Messages API Sandbox.
• External Accounts - External accounts are Messaging accounts such as Facebook, WhatsApp and Viber that you want to link to your Messages and Dispatch applications.