Payment Gateways

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Setting Up Gateway Modules

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Payment gateways can be configured in Setup > Payment Gateways. Each gateway has their own specific API requirements in order to process transactions so they will vary from gateway to gateway. However, all gateways have 3 core options:

  • Show on Order Form – Checking this box will mean it can be shown on the order form as an option – subject to product group gateway restrictions
  • Visible Name – The name that is used for this gateway throughout the system and to clients (eg. gateway can be Authorize.net, visible name might be Credit Card)
  • Convert To For Processing – This option is for when using multiple currencies. It is possible that not every gateway you use will accept all the currencies you offer on your site and so for those that don’t, you can choose a currency here for WHMCS to convert to before sending to them. For example if using Google Checkout with a UK account but offering prices in GBP & USD, you would need to select GBP in the Convert To box. This will use the rates set in Setup > Payments > Currencies to do the conversion which can be set to auto update daily.

Supported Gateway Modules

The following is a list of all the payment gateways that are included in WHMCS by default. Merchant Gateways store credit card information securely in the WHMCS database whilst Third Party Gateways take the client to the provider's website to process payments off-site. Tokenisation Gateways are a happy medium where repeat billing is possible by storing the original transaction details or a reference number, not the full credit card number, thus reducing your PCI liabilities.

Please note that for tokenisation gateways, the client will need to pay an invoice manually using their credit card details before their information is transmitted to the merchant provider and a profile is created in their systems. They then send back a token to WHMCS which will be used for managing the card detail update requests via the client area and recurring payments.

The type of payment gateway selected influences which invoice notification email template it sent; Third Party Gateways will send the "Invoice Created" email template, whilst Merchant and Tokanisation Gateways will send the "Credit Card Invoice Created" email template. This allows you to customise the payment instructions to clients for the different payment processes.

The type of payment gateway also influences the behaviour of the Attempt Capture button on the invoice page in the admin area. With Third Party Gateways the button will be deactivated as the client needs to click the payment button on the invoice to send payment. For Merchant Gateways and Tokanisation Gateways the button will be active and staff can click Attempt Capture to instantly capture payment from the client's credit card.

Any gateways showing in blue below indicates further information relating to the setup & use of that gateway is available by clicking on the name.

It is also possible to create your own gateway modules for WHMCS should you want to integrate with a gateway that isn't offered by default. Please refer to our Developer Resources section for more details.

Merchant Gateways

Tokenisation Gateways

For token type gateways, which store a token to use for processing credit card payments through the merchant gateway module, the token will not be added into WHMCS until a payment has been submitted through the module. This will lead to the credit card details being stored in the database directly until the client makes a payment on an invoice through one of the token type gateway modules. Once the payment is made, the token is then fetched and replaces the credit card details within the database. Storage of the credit card details can also happen when the client updates their credit card details or when placing an order and it does not process the payment immediately.

Authorize.net CIM Bluepay Remote Moneris Vault
PayPal Pro Reference Payments Quantum Vault SagePay Tokens
WorldPay FuturePay eWay Tokens

Third Party Gateways

2CheckOut AlertPay Amazon Simple Pay
Authorize.net Echeck Bank Transfer BidPay
BluePay Echeck Boleto CC Avenue
CashU ChronoPay Direct Debit
Cobrança - F2b Forte E-Gold
e-Path EWAY_UK Gate2Shop
GoCardless iDEAL iDEAL via Mollie
inpay Mail In Payment Modulo Moip
Skrill NoChex PagSeguro
PayPal PayPal Express Checkout PayPoint.net (SecPay)
Payson Paymate_AU_and_NZ Payment Express
Paymex Payza Planet Authorize
ProtX VSP Form Turkish Finansbank Turkish Garanti Bank
WorldPay

Deactivating Gateway Modules

Deactivate Gateway

Should you no longer wish to use a particular payment gateway clicking the red (Deactivate) link beside the name will gracefully remove the gateway from the system. This will prevent any further payments being made using this gateway and automatically reassign any products/services/invoices assigned to that payment method to another option. Upon clicking the deactivate link, a popup window will appear prompting for the selection of the alternative payment gateway to which any currently assigned items should be changed to.

Test Credit Card Numbers

Gateways often have test modes where you can use test card numbers. The common test card numbers are below and should generate successful test transactions but they can vary from gateway to gateway. You may use any expiration date in the future.

4007000000027 - Visa Test Card
4012888818888 - Visa Test Card II
4000000000000002 - Visa Test Card III
5424000000000015 - MasterCard Test Card
370000000000002 - American Express Test Card
6011000000000012 - Discover Test Card
3088000000000017 - JCB Test Card (Use expiration date 0905)
38000000000006 - Diners Club/Carte Blanche Test (Use expiration date 0905)

Troubleshooting

The documentation for troubleshooting problems processing payments with WHMCS are split into two sections; Gateway Specific Troubleshooting. and General Troubleshooting. We first recommend checking the General Troubleshooting section which explains how to check and correct problems which can occur with many different payment gateways.

If that does not contain the solution to the problem, the next stop should be the dedicated page of the documentation relating to your payment gateway. Many contain Troubleshooting sections which explain errors that relate specifically to that payment gateway.