To process a refund for a client in Pixifi, follow these steps:
Go to Finances > Invoices or to this url: https://www.pixifi.com/admin/invoices/
Click on the name of your invoice, scroll to Payments and click on Add Payments > Add Paid Payment.
In the Payment Amount box record the refund by entering a negative amount. For example, if you need to refund $200, enter -$200.
In the Payment Type box choose Refund then Save.
You will need to log into your payment processor (e.g., Stripe or Square) to issue the refund directly from there.