Buying Taskulu credit will help you to upgrade your projects and organizations to Premium and Business plans faster and easier.
For buying Taskulu credit, open your profile page and click on "Add Credit" next to your profile picture on top of the page.
Then you're being transferred to Checkout page, where you can choose credit amount.
When you finish the payment, credit amount will be added to your profile page.
Now you can pay with your credit, instead of your credit card.
You can fine more about how to upgrade your projects and organizations from the links below.