E3 is optimized for Authorize.Net, which in our experince is the best. However the following can be used (there may be an installation charge for some of them - please contact the development team).
1. Payment systems
2. CentiPaid :: http://centipaid.com
3. E-Dinar :: http://www.e-dinar.com
4. E-Gold :: http://www.e-gold.com
5. Money Bookers :: http://www.moneybookers.com/app
6. NetPay :: http://www.netpay.tv
7. Nochex :: http://www.nochex.com
8. PayPal :: http://www.paypal.com
9. PayPal Website Payments Pro :: http://www.paypal.com
10. World Swift :: http://www.worldswift.com
11. Credit card processors ::
12. 2Checkout. Version 2 :: http://www.2checkout.com
13. 3Delta Systems :: http://www.3dsi.com/products/eclinx.html
14. AccessPoint :: http://www.apc.net
15. ANZ eGate (CommWeb) :: http://www.anz.com/anzegate
16. ANZ eGate Merchant-Hosted :: http://www.anz.com
17. AuthorizeNet: AIM ::
18. AuthorizeNet: SIM ::
19. Bank of America :: http://www.bamart.com
20. Bank of Asia :: http://www.bankasia4u.com/index.htm
21. Bean Stream :: http://www.beanstream.com
22. BiBiT :: http://www.bibit.com/
23. BluePay :: http://bluepay.onlinedatacorp.com
24. Caledon :: http://www.caledoncard.com
25. Cambist :: http://www.cambist.com
26. Cardia Shop :: http://www.cardia.no
27. Censeo (dialog) :: http://www.censeo.se
28. Censeo (no dialog) :: http://www.censeo.se
29. Clear Commerce (PayFuse) :: http://www.clearcommerce.com
30. Credomatic :: http://www.credomatic.com
31. CyberCash :: http://www.verisign.com/support/cyberCash
32. CyberPac (LaCaixa) :: https://www3.lacaixa.es/avisos/eng.html
33. CyberSource :: http://www.cybersource.com
34. DataTrans :: http://www.datatrans.ch
35. DeltaPAY :: http://www.deltasingular.gr/index.asp
36. Direct Payment Solution: PX POST :: http://www.paymentexpress.com
37. DirectOne direct :: http://www.directone.com.au
38. E-Gateway (Mantis Technologies) :: https://egateway.com.au
39. EasyPay :: http://www.telemoneyworld.com
40. ECHOnline :: http://www.echo-inc.com
41. EFSnet :: http://www.concordefsnet.com
42. ePDQ :: http://www.epdq.com
43. eProcessingNetwork. Transparent. :: http://www.eprocessingnetwork.com
44. eSec.Direct :: http://www.esecpayments.com.au
45. eSec.ReDirect :: http://www.esecpayments.com.au
46. eSelect Plus :: http://moneris.com
47. eWAY. Shared payment :: http://www.eway.com.au
48. eWAY. XML payment :: http://www.eway.com.au
49. Ezic. Direct mode V3.x :: http://ezic.com
50. EZTP :: http://eznp.com
51. FirePay :: http://firepay.com
52. GestPay :: http://www.sella.it
53. Go Charge It :: http://www.ecommerce.com
54. GoEmerchant :: http://www.goemerchant.com
55. GoEmerchant XML :: http://www.goemerchant.com
56. Google Checkout :: http://checkout.google.com (additional fee may apply)
57. GZS:Paymaster :: http://www.gzs.de
58. HeidelPay :: http://www.heidelpay.de
59. HSBC Secure E-Payment Service :: http://www.hsbc.com
60. iDeal ::
61. iDeb :: http://www.ideb.se/iDeb
62. Innovative E-Commerce :: http://innovativegateway.com
63. IntelliPay: ExpertLink :: http://www.intellipay.com
64. InternetSecure :: http://www.internetsecure.com
65. IO*NGATE :: http://www.iongate.com
66. iTransact XML scheme :: http://www.itransact.com
67. Jettis :: http://billingservices.com
68. LinkPoint :: http://www.linkpoint.com
69. Lynk Systems :: http://lynk-systems.com
70. MerchantPartners :: http://www.merchantpartners.com
71. MultiCards :: http://multicards.com
72. MultiPay :: http://multipay.net
73. NetBanx :: www.netbanx.com
74. Netbilling :: http://www.netbilling.com
75. NetRegistry e-commerce :: http://www.e-commerce.netregistry.com.au
76. Ogone :: http://www.ogone.com
77. Ogone (web) :: http://www.ogone.com
78. Pasat Internet :: http://www.4b.es
79. PayBox :: http://www.paybox.com
80. PayGate :: https://www.netkauf.de
81. PayGateway (Paradata Systems) :: http://www.paygateway.com/tech
82. Payment Express Hosted payment page :: http://www.transfirst.com
83. PayNet :: http://www.paynet.no
84. PayFlow Link :: http://www.paypal.com
85. PayFlow Pro :: http://www.paypal.com
86. PayPro :: http://payments.3-tier.com
87. PaySystems :: http://www.paysystems.com
88. PaySystems Client :: http://www.paysystems.com
89. PayWeb :: http://www.paygate.co.za
90. PayZip.Net: Web2Web :: http://www.payzip.net
91. PlugnPay. Remote Auth method :: http://www.plugnpay.com
92. PlugnPay. Smart Screen method :: http://www.verisign.com/support/cyberCash
93. Protx VSP Direct :: http://www.protx.com
94. Protx VSP FORM :: http://www.protx.com
95. ProxyPay3 :: http://www.eurobank.gr
96. PSiGate :: http://www.psigate.com
97. PSiGate XML interface :: http://www.psigate.com
98. PSW Billing :: http://pswbilling.com
99. RTWare: ADC Direct Response :: http://www.rtware.net
100. SaferPay :: http://www.saferpay.com
101. Scopus :: http://www.scopus.com.br
102. SECpay :: http://www.secpay.com
103. Secure-I :: http://www.secure-i.com
104. SecurePay :: http://www.securepay.com
105. SECURETRADING :: http://www.securetrading.com
106. SkipJack :: http://www.skipjack.com
107. Slim CD :: http://slimcd.com
108. Smart people :: http://smartpeople.com
109. SmartPag :: http://www.smartpag.com.br
110. SurePay. Merchant payment. :: http://www.surepay.com
111. TotalTrans :: http://totaltrans.net
112. Transaction Central. POST Interface :: http://www.primerchants.com
113. Transaction Central. WEB Interface :: http://www.primerchants.com
114. Transaction Central. XML Interface :: http://www.primerchants.com
115. TransFirst eLink (Server based solution) :: http://www.transfirst.com
116. Triple Deal :: http://corporate.tripledeal.com
117. Trolley Gateway :: http://ipbill.com
118. TrustCommerce :: http://trustcommerce.com
119. USAePAY :: http://www.usaepay.com
120. uSight :: http://usight.com
121. VaultX :: http://www.globalpoint.com.au
122. Velocity Pay :: http://www.velocitypay.co.uk
123. viaKlix :: http://www.viaklix.com
124. viaKlix 2.0 :: http://www.viaklix.com
125. WebCraft :: http://www.webcraft.com.mt
126. Wells Fargo :: http://www.wellsfargo.com
127. WorldPay :: http://www.worldpay.com
128. YellowPay :: http://www.postfinance.ch/yellowpay
129. YourPay :: https://www.yourpay.com
130. ZipZap :: http://www.zipzap.co.nz
131. Cheque processors ::
132. AuthorizeNet.eCheck :: http://www.authorize.net
133. HeidelPay.Cheque :: http://www.heidelpay.de
134. PayByCheck :: http://www.paybycheck.com
135. PayByCheck.XML :: http://www.paybycheck.com
136. WTS bank :: http://www.wtsbank.com/man_trans