Shouldn’t this chapter also mention you can use ACM certs for API Gateway as well?
I do agree that this video should now include a reference to API-gateway. Documentation reference attached for convenience. https://docs.aws.amazon.com/acm/latest/userguide/acm-services.html
The documentation also mentions CloudFormation and Elastic Beanstalk; however I would presume that applies to the base-services of Load-balancing, CloudFront and API gateway instantiated therein.