The following list of billers are our Authorized Sales Agents:
Netbilling
https://www.netbilling.com/support
(Charges will appear on your statement as "SMI-Help.com")
Phone support: (888) 556-6267 or (866) 872-1739
Epoch
https://www.epoch.com
(Charges will appear on your statement as "Epoch.com*StripeMed")
Rocketgate
(Charges will appear on your statement as "SMI-Help.com")
For any support, please submit a ticket here: https://yankssupport.com/en/tickets/create/step1
Rocketgate Cancel
Paygarden (payment using gift cards)
https://www.paygarden.com/support
