Feb. 25, 2021
Here is the link.
Writte on Dec. 18, 2018
Starting today, you can build bidirectional communication applications using WebSocket APIs in Amazon API Gateway without having to provision and manage any servers.
HTTP-based APIs use a request/response model with a client sending a request to a service and the service responding synchronously back to the client. WebSocket-based APIs are bidirectional in nature. This means that a client can send messages to a service and services can independently send messages to its clients.
This bidirectional behavior allows for richer types of client/service interactions because services can push data to clients without a client needing to make an explicit request. WebSocket APIs are often used in real-time applications such as chat applications, collaboration platforms, multiplayer games, and financial trading platforms.
This post explains how to build a serverless, real-time chat application using WebSocket API and API Gateway.
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