Destroying Hosted Instance
To destroy a hosted CTFd instance you should use the following instructions:
Go to https://cloud.ctfd.io/admin to see all hosted CTFd instances you have deployed
Select your chosen instance and click the red cross icon on the right.
Check the “I’m sure” checkbox to enable the Destroy button
Click the red “Destroy” button to completely destroy your CTFd instance. This will remove all associated data and stop any future charges related to that CTFd instance.