How to Use AWS Certificate Manager with API Gateway

Updated: As of Mar 9, 2017, now you can! If you’re reading this, you’re probably trying to figure out how to set up a custom domain name with AWS API Gateway. If you log into the AWS Console, you get some fancy HTML text input fields asking you for the: Domain name Certificate name Certificate body Certificate private key Certificate chain (╯°□°)╯︵ ┻━┻ Why does this form exist when AWS already has a tool called Certificate Manager?