Contact us

If you have more questions, contact the relevant support team:

For all other questions, contact our Customer Support Team.


Genius Support Team

Phone: (1) (888) 249-3220

Fax: (1) (857) 241-5429

Email: csprocessing@cayan.com

Opening hours: 24 hours a day, seven days a week


Technical Support Team

Phone: (1) (800) 941-6557

Fax: (1) (857) 241-5429

Email: csprocessing@cayan.com

Opening hours: 24 hours a day, seven days a week


Partner Support Team

Phone: (1) (888) 302-2926

Email: partnersupport@cayan.com

Opening hours: 09:00 – 17:00 EST, Monday to Friday


TSYS Chargeback Team

Phone: (1) (866) 637-5467

Fax: (1) (706) 644-5210

Opening hours: 08:00 – 17:00 EST, Monday to Friday


First Data Chargeback Team

Phone: (1) (800) 672-5007

Fax: (1) (402) 933-1525

Opening hours: 09:00 – 21:00 EST, Monday to Friday


NMI Invoicing Solution

Phone: (1) (800) 617-4850

Email: support@nmi.com

Opening hours: 09:00 – 19:00 EST, Monday to Friday


Customer Support Team

Phone: (1) (800) 941-6557

Fax: (1) (857) 241-5429

Email: csprocessing@cayan.com

Opening hours: 24 hours a day, seven days a week


Modified on: Wed, 30 Jan, 2019 at 4:17 AM