Resources:
  MyApi1:
    Type: AWS::Serverless::HttpApi
    Properties:
      Domain:
        DomainName: admin.one.amazon.com
        CertificateArn: arn::cert::abc
        EndpointConfiguration: REGIONAL
        Route53:
          HostedZoneId: abc123456

  MyApi2:
    Type: AWS::Serverless::HttpApi
    Properties:
      Domain:
        DomainName: admin.two.amazon.com
        CertificateArn: arn::cert::abc
        EndpointConfiguration: REGIONAL
        Route53:
          HostedZoneId: abc123456

  MyApi3:
    Type: AWS::Serverless::HttpApi
    Properties:
      Domain:
        DomainName: admin.three.amazon.com
        CertificateArn: arn::cert::abc
        EndpointConfiguration: REGIONAL
        Route53:
          HostedZoneId: abc123456