If you pre-paid for Ajar Academy video training when you purchased in5, you will have special access links inside your in5 online account.
You can only access your pre-paid training credit by going through the link in your online account:
The link(s) will take you to a checkout page where the amount that you pre-paid will already be applied as a coupon. You will need to enter your credit card (a requirement of the Teachable platform) but you won't be charged for the first period (you should see a balance of $0 due). You will only be charged when your Academy plan is renewed (if you don't cancel it first from the Ajar Academy site).