KeyOne Fast Checkout
KeyOne Fast Checkout simplifies the checkout process for WooCommerce stores with auto-fill capabilities and enhanced guest checkout options.
Solid choice
KeyOne Fast Checkout is a solid plugin choice in 2026, with a few things worth checking first. It runs on 10+ sites, is rated 5/5 and was last updated 1 week ago, and scores 73/100 on our health check.
- Actively developed — last update 1 week ago
- Tested with the latest WordPress (7.1)
- Small user base (10+ active installs)
- Very few reviews so far
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where KeyOne Fast Checkout stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| checkout | >100 |
| fast checkout | #28 |
| woocommerce | >100 |
Version adoption
Share of active sites per release.
Rating breakdown
★★★★★★★★★★ 5 from 1 reviews
About KeyOne Fast Checkout
From the official readme · v1.7.0Description
KeyOne Fast Checkout is designed to streamline the WooCommerce checkout experience. With a single button click, users can quickly fill in their details, making the checkout process faster and more user-friendly. This plugin is ideal for stores looking to enhance user experience and reduce cart abandonment.
Features:
Adds a “Fast Checkout” button to WooCommerce checkout pages.
Auto-fills user information for a seamless checkout experience.
Fully compatible with both classic and Gutenberg WooCommerce blocks.
Lightweight and easy to configure.
License
This plugin is licensed under the GPLv2 or later. The full license text is included in the LICENSE file located in the root directory of this plugin. For more information, see License URI.
External Services
This plugin connects to KeyOne’s external API to fetch user details for checkout autofill functionality. This inclusion helps customers to quickly complete the checkout process.
Service Used: KeyOne Checkout API
Purpose: Automatically fill in billing and shipping details at checkout
Data Sent:
– The current website’s origin (URL)
– Authentication tokens (JWT)
Data Received:
– User checkout data from KeyOne account (billing/shipping address and personal details)
When is Data Sent?
– When a customer clicks the “KeyOne Fast Checkout” button, a new browser window opens and a request is made to https://checkout.keyone.me/shop-login with the website origin.
– Later, when user enters their login details, they are transmitted to the KeyOne login API.
– A JWT token is generated and sent to authenticate the future requests and checkout information is sent in subsequent requests.
External Service Provider: KeyOne Checkout
– Terms of Service
– Privacy Policy
By using this plugin, you agree to the data transmission outlined above. Ensure that your store’s privacy policy includes this information for compliance with data protection laws.
Installation
Upload the keyone-fast-checkout folder to the /wp-content/plugins/ directory or install the plugin through the WordPress Plugins screen directly.
Activate the plugin through the ‘Plugins’ screen in WordPress.
Configure the plugin settings by navigating to WooCommerce > KeyOne-Fast-Checkout in the WordPress admin.
Frequently asked questions
Does this plugin work with all WooCommerce themes?
Yes, KeyOne Fast Checkout is designed to work with all WooCommerce-compatible themes.
Do I need any additional configuration after installation?
No, the plugin works out of the box. However, you can configure settings like enabling/disabling the button or setting API keys in the admin panel.
Is this plugin translation-ready?
Yes, all user-facing text is translatable using standard WordPress translation methods.
Changelog
New: Enhanced plugin with payment integration, order completion and enhanced UI.
1.7.0
New: Enhanced plugin with payment integration, order completion and enhanced UI.
1.6.1
remove unused frontend code, update voucher management to improve usability
1.6.0
Fast Checkout button position is adjustable from the plugin configuration
1.5.6
Fixed: conflicting style in woocommerce blocks checkout
1.5.5
Fixed: update checkout button to remove background
1.5.4
Fixed: update correct api endpoint in voucher management
Screenshots
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best KeyOne Fast Checkout alternatives
All checkout plugins →
FAQ
KeyOne Fast Checkout: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 1, 2026
Is KeyOne Fast Checkout free?
Yes. KeyOne Fast Checkout is free to download and use from the official WordPress.org plugin directory.
Is KeyOne Fast Checkout safe to use in 2026?
KeyOne Fast Checkout is a solid plugin choice in 2026, with a few things worth checking first. It runs on 10+ sites, is rated 5/5 and was last updated 1 week ago, and scores 73/100 on our health check.
How many websites use KeyOne Fast Checkout?
KeyOne Fast Checkout is active on 10+ WordPress websites and has been downloaded 1,305 times since it launched in February 2025. It was downloaded 121 times in the last 30 days.
Does KeyOne Fast Checkout work with WordPress 7.1?
Yes. The developer has tested KeyOne Fast Checkout up to WordPress 7.1.2, the latest release. It requires WordPress 5.5 or newer.
What PHP version does KeyOne Fast Checkout need?
KeyOne Fast Checkout requires PHP 7.4 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was KeyOne Fast Checkout last updated?
The latest version, 1.7.0, was released on September 22, 2026 (1 week ago).
Who makes KeyOne Fast Checkout?
KeyOne Fast Checkout is developed and maintained by KeyOne Verwaltungs GmbH.
What are the best alternatives to KeyOne Fast Checkout?
The most popular alternatives to KeyOne Fast Checkout are Brazilian Market on WooComm… (60K+ installs), reCAPTCHA for WooCommerce (40K+ installs) and Fluid Checkout for WooComme… (20K+ installs).
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