As the name defines, the Chat REST API is fully an interface that uses the REST protocol when you create an app or online chat app system design/ platform. The REST protocol of your API is the architectural style that helps any app make and receive requests and responses using the HTTP methods like GET, POST, PUT, and DELETE to perform various chat-related operations, such as:
- Sending messages
- Retrieving message history
- Accessing user profiles
- Updating chat settings