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AWS – API Gateway returning 502 from Lambda proxy

Hey,

If you have been scratching your head why does API Gateway returns 502 and within your code there are no exceptions ?

Does your API gateway response contain something like below ?

 

Then make sure that you are returning correct response object containing body and status code i.e.

      var response = {
        statusCode: 200,
        body:       '\0/'
      };

If you still see problem then consider if you are returning complex objects in your body ? If so the following should be additionally applied before returning

response.body = JSON.stringify(response.body)

And thats it 🙂 Solved the problem for me

 

 

rafpe

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