Welcome to the Nexmo Developer Documentation. Get familiar with concepts common to Nexmo APIs and products. Then start building connected applications with Nexmo.


There are a number of shared concepts between the various Nexmo APIs:

You can also find definitions of commonly used terms in the Glossary.


Documentation within Nexmo Developer is organised by product. Within each product section you'll find the following types of documentation:

Messages and Dispatch Beta

Integrate with various communication channels including Facebook Messenger, WhatsApp and Viber with failover

Nexmo Client SDK - Early Access

Build multi-platform applications with contextual communications using Nexmo Client SDK and Conversation API.