You can use your Pay by Link in many different places.  The URL provided can be sent via SMS or email, or encoded into a QR code for a shopper to scan on printed documentation.  One of the most common use cases is on an invoice, allowing the scan of the QR code via a mobile phone to pay.

Volt invoicing

At Volt we use Pay by Link on our own merchant invoices.  This is a sample of how it might look if you receive an invoice from Volt.