EPOCH
Website: https://epoch.com/billing_support
Email: [email protected]
Phone support:
US/Canada toll free 1-800-893-8871
International 1-(310)-664-5810

SEGPAY
Website: https://cs.segpay.com/
Email: [email protected]
Phone support:
US/Canada number : 866.450.4000
International number :+1 954.376.3593

NETBILLING
Website: https://www.netbilling.com
Online form: https://www.netbilling.com/support/
Phone support: 1-888-357-8166

TRUSTPAY
Website: https://www.trustpay.eu
Phone support: +421 2 321 68 450

CCBILL
Website: https://support.ccbill.com/
Email: [email protected]
Phone support:
International 1-888-596-9279
Fax 480-449-8820

COINGATE
Website: https://support.coingate.com/
Online form: https://support.coingate.com/en/contact/new

HIPAY MOBILE / ALLOPASS
Website: http://www.hipaymobile.com/31/faq-buyers
Online form: https://www.mobiyo.com/contact-us/customer-contact/