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Implementing a custom authorizer

In the Securing an API Gateway with OpenID Connect recipe, we leveraged the Cognito authorizer that is provided by AWS. This is one of the advantages of using Cognito. However, this is not the only option. Sometimes we may want more control over the policy that is returned. In other cases, we may need to use a third-party tool such as Auth0 or Okta. In this recipe, we will show how to support these scenarios by implementing a custom authorizer.

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