If You Already Have a Mailchimp Account:
Go to the Mailchimp login page: https://login.mailchimp.com
Enter your email address and password.
Click Log In.
If You Don’t Have a Mailchimp Account
You will see the Audience ID-> copy this ID in your clipboard as you’ll need it to create credentials.
Select Profile from the dropdown.
Tip: (e.g., “Syncspace Integration Key”) so you’ll remember its purpose.
Click on Generate API Key.
You’ll need this key for secure integration, so keep it private.