AWS Websocket API return error "Output mapping refers to an invalid method response: 200" when testing to connect from wscat

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I am trying to build realtime chat and notification using AWS Websocket API. i have setup the $connect route to integrate to http endpoint. when testing the websocket URL using wscat, request successfully received on my endpoint, but wscat got "Unexpected server response: 500". inspecting associated log on CloudWatch, i found an error said "Output mapping refers to an invalid method response: 200". anyone can please help me to figure out what am i doing wrong here?

aws-api-gateway integration
1 Answers

This stems from a missing Method Response on the method.

  • Select the API Gateway Method
  • Select Method Response
  • Ensure that a mapping exists for a 200 response (either 200 or 2**)
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