Description
Westpac PayWay API Payment processes credit card payments directly at the WooCommerce checkout via the Australian bank Westpac’s API, keeping the customer in your store throughout the entire transaction without redirection to external pages. The extension validates card data, sends the charge to the PayWay gateway, and logs the response on the order, targeting sellers dealing in Australian currency (AUD) who need to settle transactions in a Westpac checking account.
Main Features of Westpac PayWay API Payment
- Integrated checkout without redirection
Captures card details directly on the WooCommerce checkout form. - Direct connection to the PayWay API
Communicates the store with the Westpac gateway using registered merchant credentials. - Support for popular card brands
Accepts Visa, Mastercard, and other card brands enabled on the merchant’s PayWay account. - Test mode (sandbox)
Allows simulating transactions in a staging environment before going live. - Response logging on orders
Attaches gateway responses to order notes for audit and verification.
Benefits of Westpac PayWay API Payment
- Higher conversion at checkout
Avoids friction from external redirects during payment. - Settlement in Westpac account
Concentrates receipts directly into the Australian merchant’s bank account. - Trust from the local bank
Leverages Australian consumers’ familiarity with Westpac bank. - Financial traceability
Makes reconciliation easier by keeping logs of each transaction inside the order dashboard.
Who Is Westpac PayWay API Payment For?
- Sellers targeting the Australian audience who need to charge in Australian dollars.
- Those who already have a Westpac business account and want to centralize store receipts there.
- Anyone wanting to offer card payment without taking customers away from the WooCommerce checkout page.
How to Download Westpac PayWay API Payment
Westpac PayWay API Payment is available for download here at Ultrapack. After obtaining the .zip file, go to Plugins > Add New > Upload Plugin, select the package, and activate the extension. Then navigate to WooCommerce > Settings > Payments to enter your PayWay account credentials and enable the payment method in the store.
For e-commerce operations focused on the Australian market, Westpac PayWay API Payment serves as the official gateway within WooCommerce, linking each order to Westpac’s banking infrastructure without requiring custom development. The API integration preserves the visual control of the checkout with your brand and also records transaction data in the order history, making financial tracking easier for the store administrator.
Frequently asked questions
Is WooCommerce Westpac PayWay API Payment Gateway GPL-licensed?
Yes. WooCommerce Westpac PayWay API Payment Gateway is distributed under the GPL (GNU General Public License). You may legally use, modify and redistribute it on as many sites as you want.
Can I use WooCommerce Westpac PayWay API Payment Gateway on multiple sites?
Yes. You can install WooCommerce Westpac PayWay API Payment Gateway on as many sites as you want. Only automatic updates through Ultrapack Auto Updater have a limit: from 3 to 80 sites, depending on the plan.
How much does WooCommerce Westpac PayWay API Payment Gateway cost at Ultrapack?
WooCommerce Westpac PayWay API Payment Gateway costs US$2.99 as a single purchase, and it is also included in the subscription plans starting at US$12/mo (VIP I).
Does WooCommerce Westpac PayWay API Payment Gateway include updates?
Yes. The current version of WooCommerce Westpac PayWay API Payment Gateway is 1.6.5, published at Ultrapack on Apr 1, 2026. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).
Is WooCommerce Westpac PayWay API Payment Gateway scanned before publication?
Yes. Every version of WooCommerce Westpac PayWay API Payment Gateway goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.
What changed in this version
Version 1.6.5 2026-03-28
- HPOS compatibility - use order meta methods instead of post meta
- Fix IP address detection to use WC_Geolocation
- Fix external IP lookup to use HTTPS
- Fix missing break in payment error handling (case 2 fall-through)
- Replace deprecated woocommerce_clean with wc_clean
Version 1.6.4 2025-09-25
- 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
Version 1.6.3 2023-07-14
- Save transaction ID to standard WC meta when payment complete
Version 1.6.2 2023-02-20
- Add filter for certificate file location
Version 1.6.1 2022-12-08
- Set order to failed status after failure to save card details
Release notes published by the developer.
How to install
Automatic updates: this item is updated by the Ultrapack Auto Updater. With it installed, the new version shows up in your dashboard like any other WordPress update (how to set it up).
- Download the file
woocommerce-gateway-westpac-payway-api.zip. - In the WordPress dashboard, go to Plugins > Add New > Upload Plugin.
- Select the file
woocommerce-gateway-westpac-payway-api.zipand click Install Now. - Click Activate.
Stuck on a step? Open a ticket telling us which one you stopped at.

UAU Ready