- Braintree (Blue Platform)
- Braintree (Orange Platform)
- eWAY
- eWAY Rapid 3.0
- Fat Zebra
- MerchantWarrior
- MasterCard Internet Gateway Service (MiGS)
- NAB Transact
- NetRegistry
- PaySecure
- PayPal Payflow Pro
- PaymentExpress
- Pay Way
- Pin
- SecurePay (AU)
- Vindicia
- WorldPay
- Authorize.Net
- Beanstream.com
- Braintree (Blue Platform)
- Braintree (Orange Platform)
- Elavon MyVirtualMerchant
- EVO Canada
- E-xact
- Federated Canada
- FirstData Global Gateway e4
- Moneris
- Orbital Paymentech
- PayPal Payflow Pro
- PayPal Website Payments Pro (CA)
- Psigate
- Sage
- SecurePay
- SkipJack
- Stripe
- Vindicia
- Authorize.Net
- Barclays ePDQ
- Braintree (Blue Platform)
- Braintree (Orange Platform)
- CardStream
- CertoDirect
- DataCash
- Iridium
- PayPal Website Payments Pro (UK)
- PaymentExpress
- Paymill
- PSL Payment Solutions
- Realex
- SagePay
- SecurePay
- Vindicia
- WorldPay
- Authorize.Net
- Balanced
- BluePay
- Braintree (Blue Platform)
- Braintree (Orange Platform)
- CyberSource
- Efsnet
- Elavon MyVirtualMerchant
- E-xact
- Finansbank WebPOS
- First Pay
- FirstData Global Gateway e4
- Garanti Sanal POS
- Inspire Commerce
- InstaPay
- iTransact
- JetPay
- LinkPoint
- Litle & Co.
- Merchant e-Solutions
- MerchantWARE
- Mercury
- Metrics Global
- Modern Payments
- Moneris (US)
- NETbilling
- NMI
- Orbital Paymentech
- PayGate PayXML
- PayJunction
- PayPal Payflow Pro
- PayLeap
- PaymentExpress
- PayPal Website Payments Pro (US)
- Plug'n Pay
- QuickBooks Merchant Services
- Quantum Gateway
- Sage
- Sallie Mae
- Samurai
- SecureNet
- SecurePay
- SkipJack
- Stripe
- TransFirst
- TrustCommerce
- USA ePay Advanced SOAP Interface
- USA ePay
- Verifi
- ViaKLIX
- Vindicia
- WorldPay