How do i contact shift4 payments customer support? Shift4 Payments offers 24/7/365 customer support via phone and email. There is also a Customer Support portal with documentation and videos on how to use different Shift4 Payments products and services. Additional tips and advice can be found via their blog.What is shiftshift4 and how does it work? Shift4 offers an easy QR code payment system that relies on printed cards, which customers scan with their smartphones to place orders and make payments. No special app is required, and the service is available for free with your merchant account.What is shift4 payments and harbortouch? Shift4 Payments is a merchant account provider that currently functions as the parent company of Harbortouch. Shift4 Payments was created in January 2018 when Lighthouse Network (Harbortouch’s former parent organization) acquired Shift4 Corporation, a payment gateway provider based in Nevada.What is todaytoday shift4 payments? Today Shift4 Payments is a complete payment processing solution servicing a broad range of industries, including retail, food services, hospitality, and ecommerce.