Windcave for WooCommerce

$79.00 / year

Download the plugin to enable Windcave (formerly Payment Express) on your WooCommerce store. For installation and configuration options, please see the plugin’s documentation.

Buying PxPay also gives you access to 1 year of premium support and updates.

Make your ecommerce checkout experience as smooth, secure, and efficient as possible.

Windcave for WooCommerce

When you operate a popular ecommerce online business, every little detail matters. Whether you have $50,000 in monthly revenue or one million, minor inefficiencies can lead to significant challenges that will derail your daily operations.

With our integrative Windcave for WooCommerce plugin, we help reduce frequent hassles around payment methods, credit card transaction glitches, or tedious security procedures. This plugin is explicitly designed to transform your WooCommerce business through features like:

  • Secure off-site payment gateway.
  • Simplified credit card transaction process.
  • No fuss over SSL certificates.
  • Enhanced payment options, including debit cards.
  • Strengthened credit card security.
  • Streamlined checkout process.
  • Plug and play integration.
  • No hidden fees.
  • Built with New Zealand’s top-tier electronic payments expertise.
  • Compatible with WooCommerce subscriptions.
  • Expert support and updates for one year.
  • Certified Visa and MasterCard solution.

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Version 4.0 Now Available – Major upgrade

New version of Windcave for WoocCommerce is a major upgrade and now includes WooCommerce Subscription support!

What is Windcave?

Windcave is an all-in-one solution for amping up your electronic payment systems. Known initially as Payment Express, this powerful payment processing application hails from New Zealand and offers certified solutions for Visa, MasterCard, and other payment method transactions.

Now, with millions of daily users, this software experience is tailored for the modern online store. Windcave ensures a secure platform for handling credit card transactions by redirecting users to their dedicated platform instead of risky third-party apps. It guarantees top-tier security without burdening your WooCommerce store – granting you and your team elevated peace of mind.

Key Features of Our Windcave for WooCommerce Plugin

Windcave key features

Seamless Integration

Incorporating Windcave into your WooCommerce platform is straightforward and fuss-free. Whether you’re a seasoned tech guru or just starting out, you’ll appreciate the plug-and-play functionality.

Simply follow the user-friendly setup process, and within minutes, you’ll have a premier payment gateway seamlessly interfacing with your online store. Elevate your business operations without any technical hang-ups.

Off-Site Security

Say goodbye to sleepless nights fretting over SSL certificates or credit card information storage vulnerabilities. Windcave ensures that your customer’s payments are processed in a highly secure, off-site environment, eliminating risks, and ensuring optimal safety.

This versatile WooCommerce plugin brings forward-thinking solutions, each designed to provide unrivalled peace of mind to ecommerce business owners like you and your customers.

Expanded Payment Options

We live in a time when mobile-friendly, consumer-driven payment methods are a must-have to remain competitive in the marketplace. Simply put, financial flexibility is paramount.

With Windcave, you can offer a comprehensive range of payment methods. Beyond just credit cards, your customers will have the liberty to choose from an array of options, including debit cards. By catering to diverse payment preferences, you amplify your store’s accessibility and user-friendliness.

Certified and Trusted

Trust is the cornerstone of any successful e-commerce venture. Windcave is not only backed by renowned names like Visa and MasterCard, but it’s also earned its stripes in the electronic payments domain.

With a legacy of excellence, Windcave ensures that every transaction adheres to the highest standards of credibility, ensuring that you and your customers can trade confidently.

Simplified Checkout Process

Streamlining the checkout process can dramatically transform your sales funnel. With Windcave, customers can enjoy a decluttered, efficient, and swift checkout experience.

Anyone in ecommerce knows that having a solid UI/UX to improve customer experiences is critical to standing out in a crowded field. The faster and more secure your checkout, the higher the likelihood of a finalized sale.

WooCommerce Subscription Support

In the age of subscription models, consistent and reliable recurring payments are crucial. The Windcave plugin elegantly augments your WooCommerce subscriptions, ensuring that every recurring payment is processed timely and securely.

Enhance your subscription offerings and ensure an uninterrupted revenue stream with Windcave’s advanced features.

Transparent Pricing

Nobody likes hidden fees or unexpected costs. Windcave stands out with its crystal-clear pricing structure. Integrating Windcave into your WooCommerce store means you’re not just getting a premium payment gateway. You’re also availing a transparent, honest, and predictable pricing model.

Premium Support

Our team at OPMC is all about improving your online experience. When we created our Windcave for WooCommerce plugin, we made sure to include comprehensive support.

With Windcave, you’re always in good hands. For an entire year post-purchase, you can access top-tier support, ensuring your store remains updated with the latest features and security enhancements. Whether you have a simple query or need in-depth assistance, our team is always ready to guide you.

How Does Windcave for WooCommerce Integration Help You


The Windcave plugin isn’t just a tool for stores in the high-earning bracket. We created this powerful plugin as a leverage growth partner. You will be able to seamlessly handle a surge in transactions without compromising on speed or security.


By automating several transactional processes and ensuring reduced cart abandonment, you can focus more on product development and less on transactional hiccups.

ROI Boost

Experience a tangible rise in ROI. With expedited and secure transactions, witness an increase in customer trust, resulting in higher sales and repeated patronage.

Integration & Compatibility

With plug-and-play simplicity, the Windcave plugin harmoniously melds with your WooCommerce ecosystem. Designed for compatibility, it works flawlessly alongside other plugins and tools, ensuring your store’s operational rhythm remains undisturbed.


Can I use Windcave for WooCommerce if I operate outside of New Zealand?

While Windcave originates from New Zealand, its electronic payments system is designed for global e-commerce platforms.

How quickly can I integrate Windcave into my WooCommerce store?

Almost instantly. The process is intuitive and designed for rapid integration.

Is there an added fee for debit card transactions?

No. Windcave offers a transparent pricing structure without hidden charges.

How does Windcave ensure credit card security?

Redirecting transactions to their secure platform eliminates risks associated with storing credit card details on your site.

Time to Boost Your Ecommerce Payment Processing

Cut down on abandoned customer carts and increase payment efficiency through our powerful Windcave for WooCommerce plugin. This is your opportunity to create a more welcoming online shopping experience for your target audience.

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At, we want to ensure that you are 100% happy with your purchase.

  • If you have technical or sales queries, do not hesitate get in touch with us
  • If after you attempted to resolve issues with Support staff and feel the product(s) you purchased does/do not the best fit your requirements, we want to make things right.

Our policy offers a full refund within 30 days of your date of purchase. We’d love to know what went wrong and how we can improve, so please include details about the reason for your refund request if you reach out to us directly. and our payment process submit the refund immediately and make every attempt to process the refund as quickly as possible. Your financial institution can take up to 20 days for the refund to reflect in your bank account/card.

Windcave (formerly Payment Express) is a certified Visa and MasterCard solution that facilitates electronic payments from multiple access points for your WooCommerce store.


  1. Download the .zip file from your WooCommerce account.
  2. Go toWordPress Admin > Plugins > Add New to upload the file you downloaded with Choose File.
  3. Activate the extension.
More information at: Installing and Managing Plugins.

Sign up with Payment Express

  1. Go to the Windcave website and sign up for an account at:
  2. Wait for Sales to contact you with an answer on activation.
  3. Request PxPay credentials if the email you received doesn’t already contain them. Specifically you need:
    • PxPay Access URL
    • PxPay User ID
    • Access Key
There is no charge to sign up or request credentials.

Setup and Configuration

  1. Go toWooCommerce > Settings > Payments
  2. Scroll to Windcave – Payment Express and click  Manage
  3. Check checkbox to Enable Windcave.
  4. Check Redirect to order info page to view order information just before actual redirect to Windcave page.
  5. Enter Title shown to customers in checkout. Default is Payment Express; can be Credit Card or whatever you wish.
  6. Enter Description shown to explain Title.
  1. Enter a name (e.g., your business) or a URL (e.g., your website/online store) for Merchant Reference.
  2. Enter Px Credentials obtained when you signed up with Payment Express.
  • Px-Pay Access URL
  • Px-Pay User
  • Px-Pay Password
  1. Enter URLs of landing pages you prefer when transactions succeed and fail. Can be the same or different pages.
  • Success URL
  • Failed URL
  1. Save changes.
PX Pay Success and failure urls

Test Mode

  1. Log into your Payment Express account.
  2. Request testing credentials.
  3. Enter info at WooCommerce > Checkout > Payment Express.
  4. Save changes.
  5. Use the Windcave eCommerce Testing Details.
When finished, go back to WooCommerce > Checkout > Payment Express and re-input your live account info from step 6 in Setup and Configuration.


Encountering an error while attempting to create a refund using the payment gateway API?

In such case, Goto WooCommerce > Settings > Payments and enter valid PxPost credentials in addition to PxPay under PxPost Settings head and save changes. You will need to arrange PxPost credentials with Windcave. (These are different to your PxPay credentials). Once configured, you will be able to successfully execute refund process via Windcave.

Questions & Support

Have a question before you buy? Please fill out this pre-sales form. Already purchased and need some assistance? Get in touch the developer via the Help Desk.
By purchasing this product, you will be able to gain access to a downloadable .zip file. This file can be installed on WordPress, enabling PxPay on your WordPress website. When you purchase this plugin, you are assigned an account and license key. This gives you access to one year of premium support and updates.  

Basic Setup:

  1. Purchase the PxPay WordPress plugin to get started.
  2. Download the .zip file to your device.
  3. On your website, go toWordPress Admin > Plugins > Add New to upload the file you downloaded with Choose File.
  4. Activate the plugin in Plugins > Installed Plugins.
If you have a question about our Windcave plugin, please feel free to contact our support team. Plugin Documentation


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Windcave for WooCommerce
$79.00 / year