Google Actions and AWS cognito account linking

[IotSmart]

We have our cloud hosted on AWS. For OAuth implementation, we are trying to link AWS cognito and Google smart home action. However, there is an issue in redirecting to our sign-in page. The error we get is : "error loading the requested page". The same page works fine on our alexa skill. 
Requesting guidance on the necessary steps to be followed for Account Linking.

[dionv]

Hello @IotSmart ,

There is this post from Neil, redirecting on how the OAuth options should look like. If this will not work, there is another workaround from CodeRunner, that you can check as well.

They removed the authentication from AWS API Gateway to test if SYNC will work and it did work. However, that fix might create another issue with the way AWS is returning the auth token back to Google Actions and the way Google Actions is using the token to call the AWS API Gateway.