# Integrations for WebSocket APIs in API Gateway
<a name="apigateway-websocket-api-integrations"></a>

After setting up an API route, you must integrate it with an endpoint in the backend. A backend endpoint is also referred to as an integration endpoint and can be a Lambda function, an HTTP endpoint, or an AWS service action. The API integration has an integration request and an integration response.

In this section, you can learn how to set up integration requests and integration responses for your WebSocket API. 

**Topics**
+ [Set up a WebSocket API integration request in API Gateway](apigateway-websocket-api-integration-requests.md)
+ [Set up a WebSocket API integration response in API Gateway](apigateway-websocket-api-integration-responses.md)