Contact ACI Payments Customer Service

The ACI Payments email address for customer service is customerservice@acipayonline.com. Those who have privacy inquiries or need to contact the company regarding legal issues should send their emails to mbox-aci-privacyofficer@aciworldwide.com. If you require immediate assistance, consider addressing the issue via phone.

All ACI Payments support phone lines operate during different business hours. For example, Pay By Phone and Federal Payment Inquiries lines are available 24/7. The lines for online and international payment inquiries are open Monday through Friday from 8 am to 6 pm CST. Please note that these hours may change during the holiday season. Thus, if you would like to get more details about how the company operates on major holidays, please contact the support team before the holiday season.

Currently, the ACI Payments website doesn’t allow customers to submit their inquiries or get in touch with the support team via live chat. However, if you go to the “Contact Us” page, you can find a full list of ACI Payments contact information, including phone numbers and emails to address various inquiries. To visit the “Contact Us” page, you need to select the “Contact Us” option from the “Help” drop-down list at the top of the screen.