The latest version is WooCommerce Westpac Payway API Gateway 1.6.4, Released on September 25, 2025
Changelog for WooCommerce Westpac Payway API Gateway
*** Westpac API Gateway Change Log ***
2025-09-25 - version 1.6.4
* Add filters for customer username, password and merchant to allow multiple merchant accounts
* Updated gateway API script version
* Automatically disable payment gateway if missing required fields, certificate file or SSL
* Added sanitization
2023-07-14 - version 1.6.3
* Save transaction ID to standard WC meta when payment complete
2023-02-20 - version 1.6.2
* Add filter for certificate file location
2022-12-08 - version 1.6.1
* Set order to failed status after failure to save card details
2022-09-28 - version 1.6.0
* Added support for Subscriptions Change Payment Method
* Set order to failed status after payment failure
2020-05-09 - version 1.5.3
* Bypass saving of customer for test mode
2020-05-07 - version 1.5.2
* Fix for non-subscription payments to save customer reference
2020-04-30 - version 1.5.1
* Fix for non-subscription refunds
2020-04-28 - version 1.5.0
* Added support for refunds
* Switch to using the last IP in HTTP_X_FORWARDED_FOR instead of first value
2020-03-31 - version 1.4.1
* Fix for HTTP_X_FORWARDED_FOR containing multiple comma separated IPs
2020-03-09 - version 1.4.0
* Added support for Subscriptions
* Added support for IPv6 for order.ipAddress
* Fix for Qvalent API class notice due to method name the same as class
2017-08-22 - version 1.3.3
* Fix for file version number
2017-08-16 - version 1.3.2
* Fix for user IP validation
2017-03-13 - version 1.3.1
* Updated cacerts.crt provided by Westpac
2015-09-22 - version 1.3
* Adds support for Mastercards starting with 2
* Errored payments now log to WC logs
* Updated from deprecated CC form call
* Fix for when visitor IP address is IPv6 (sends blank)
2015-07-29 - version 1.2
* Switched to the WooCommerce Credit Card form
* Rewrote validation
* API fix for CURLOPT_SSL_VERIFYHOST
2015-02-15 - version 1.1.1
* Fix to use wc_add_notice() rather than $woocommerce->add_error()
* Increased the likelihood of the OrderNumber being unique
2014-01-18 - version 1.1
* Added WooCommerce 2.1 compatibility
* Fix to crop long orderNumber values
* Fix to certificate upload file option
* Improved external IP detection
2013-04-25 - version 1.0
* First Release
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