To cancel a VPS do the following:
- Go to My Services
- Select the VPS you'd like to cancel by clicking on it's hostname
- Click the "Request Cancellation" button on the bottom of the page
- Describe the reason for cancelling and select "Immediate" or "End of Billing Period"
You will receive an email confirming your cancellation request. If you selected Immediate your VPS will be cancelled within 24 hours.