{
  "domainName": "api.example.com",
  "description": "Production API endpoint",
  "certificateArn": "arn:aws:acm:us-east-1:123456789012:certificate/abc123",
  "appsyncDomainName": "d123456789.cloudfront.net",
  "hostedZoneId": "Z2FDTNDATAQYW2"
}