What is a WebSocket API?

The WebSocket API is an advanced technology that makes it possible to open a two-way interactive communication session between the user’s browser and a server. With this API, you can send messages to a server and receive event-driven responses without having to poll the server for a reply.

How do I create a WebSocket API?

Create a WebSocket API using the API Gateway console

  1. Sign in to the API Gateway console and choose Create API.
  2. Under WebSocket API, choose Build.
  3. Under Settings, in the API name field, enter the name of your API, for example, PetStore .
  4. Enter a Route Selection Expression for your API, for example, $request.

Can you use WebSockets with REST API?

Yes. You can use REST over WebSocket with library like SwaggerSocket.

What is a WebSocket API vs REST API?

WebSocket is a stateful protocol, whereas REST is based on stateless protocol, i.e. the client does not need to know about the server and the same hold true for the server. WebSocket connection can scale vertically on a single server, whereas REST, which is HTTP based, can scale horizontally.

How do I connect to WebSocket API?

Invoking a WebSocket API

  1. You can use wscat to connect to your WebSocket API and send messages to it to simulate client behavior.
  2. You can use the @connections API from your backend service to send a callback message to a connected client, get connection information, or disconnect the client.

How do I connect to a WebSocket server?

In order to communicate using the WebSocket protocol, you need to create a WebSocket object; this will automatically attempt to open the connection to the server. The URL to which to connect; this should be the URL to which the WebSocket server will respond.

Is WebSocket Faster Than REST API?

Fast Reaction Time WebSockets allow for a higher amount of efficiency compared to REST because they do not require the HTTP request/response overhead for each message sent and received.

Does WebSocket need server?

By definition websockets like normal sockets are client-server so yes, you need a server.

How do I connect to WebSocket server?