To get started, log into your Nimbus account by following the link here.
Adding a card to your Nimbus Account
Firstly you will need to add a card to your Nimbus account before you can make payment.
To do this click on Billing > Payment Methods:
Then click the "Add New Credit Card" button:
Fill out the relevant details in the form and click the "Save Changes" button to finish adding your card to your account.
Paying an Outstanding Invoice
Once you have added a card to your account you can pay an outstanding invoice off by following the below steps:
Click on Billing > My Invoices:
Then click on the invoice number for the invoice you would like to pay:
And finally click on "Switch Payment Method" in the dropdown and select "Pay by Card"