Your Customer ID is sent immediately after you complete your subscription.
If you applied for Early Access and your application was approved, you will receive:
An email confirming your application approval.
A second email titled "Your Early Access Application Transformed to Cluddy Customer Account" containing all your customer details, including your Customer ID.
Check the email address you used:
When submitting your Early Access application, or
When subscribing (if you did not participate in Early Access).