Avoid CORS error on HTTP 303 redirect using AWS API Gateway

amazon 303 loginI am running into a CORS error when returning a 303 redirection status on an API request. The API is hosted on AWS API Gateway, and uses an AWS LambdaAmazon paid nearly $20 million for 91.5 acres along Loop 303 in Goodyear. The company won't say what's planned for the site.