AsiaPay is an online payment service and solutions provider in Asia that provides electronic payment gateway solutions. AsiaPay offers multi-currency, multi-lingual, multi-card, and multi-channel functionality together with advanced fraud detection and management solutions.

Supported Features #

Type: Third-Party

Adding the AsiaPay Payment Gateway #

To set up the AsiaPay payment gateway in WHMCS:

1. Go to Configuration () > Apps & Integrations or Addons > Apps & Integrations.
2. Click AsiaPay.
3. Check Show on Order Form to display this payment method in theClient Area during checkout.
4. Optionally, update the Display Name value.
5. Enter your merchant ID.
6. Enter your secure hash key (see below).
7. Click Save Changes.

Secure Hash Key #

We require using the Secure Hash Key to protect against unauthorized callbacks.

To set up a Secure Hash Key within your AsiaPay account, you must contact the PayDollar Service Department ([email protected]) to request the Secure Hash function be enabled for your merchant account. Then, you can retrieve the hash in the Merchant Administration Interface at Profile > Payment Information.

Supported Countries and Currencies #

AsiaPay supports 12 countries including Asia, including Hong Kong, China, India, Indonesia, Malaysia, Singapore, Philippines, Taiwan, Thailand, and Vietnam.

AsiaPay supports the following currencies:

• USD
• HKD
• SGD
• CNY
• JPY
• TWD
• AUD
• EUR
• GBP
• CAD
• MOP
• PHP
• THB
• MYR
• IDR
• KRW

Return Value Link (Datafeed) #

To automatically mark invoices as paid when you receive a payment via AsiaPay, enable Return Value Link in your PayDollar account:

1. Log in to your PayDollar account.
2. Go to Profile > Payment Account Settings.
3. Click Enable.
4. Enter the full URL path to the modules/gateways/callback/asiapay.php file on your installation (for example, https://www.example.com/whmcspath/modules/gateways/callback/asiapay.php, where https://www.example.com/whmcspath is your WHMCS System URL).
5. Click Update.

Test Mode #

You can use test mode to simulate payment processing without actually causing a transaction to occur. This can be useful for testing your configuration.

Troubleshooting #

You can find information about most payment gateway-related errors in the logs at Billing > Gateway Log and in the Module Log.

You may encounter the following common issues:

Last modified: 2025 July 28