Title: KeyOne-Connect Author: KeyOne Verwaltungs GmbH Published: Олунньу 14, 2025 Last modified: Алтынньы 14, 2026 --- Search plugins ![](https://ps.w.org/keyone-fast-checkout/assets/banner-772x250.png?rev=3241804) ![](https://ps.w.org/keyone-fast-checkout/assets/icon-128x128.jpg?rev=3241756) # KeyOne-Connect By [KeyOne Verwaltungs GmbH](https://profiles.wordpress.org/nandavikas/) [Download](https://downloads.wordpress.org/plugin/keyone-fast-checkout.zip) * [Details](https://sah.wordpress.org/plugins/keyone-fast-checkout/#description) * [Reviews](https://sah.wordpress.org/plugins/keyone-fast-checkout/#reviews) * [Installation](https://sah.wordpress.org/plugins/keyone-fast-checkout/#installation) * [Development](https://sah.wordpress.org/plugins/keyone-fast-checkout/#developers) [Support](https://wordpress.org/support/plugin/keyone-fast-checkout/) ## Description KeyOne-Connect links your WooCommerce store to the KeyOne marketplace and adds an optional one-click KeyOne fast checkout. Turn on only what you need. Marketplace sync keeps your catalog and stock aligned with KeyOne. Product and stock updates sync automatically, marketplace orders flow into your store as native WooCommerce orders, and stock stays accurate whether a sale happens on your store or on the marketplace. Fast checkout adds a one-click KeyOne button to your cart and checkout. It auto- fills validated addresses and applies voucher codes for a faster, more reliable guest checkout. Features: Two-way marketplace sync: push products and stock to KeyOne, and receive marketplace orders into WooCommerce. Automatic catalog and stock updates on product save, plus a manual “Re-sync all products” option. Optional one-click KeyOne fast checkout on the cart and checkout pages. Auto-fills validated billing and shipping addresses and applies voucher codes. 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](https://www.gnu.org/licenses/gpl-2.0.html). ### 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](https://checkout.keyone.me/) — [Terms of Service](https://www.keyone.me/agb/) — [Privacy Policy](https://www.keyone.me/datenschutzhinweise/) **Service Used:** KeyOne Marketplace Sync API (active only when “Enable marketplace sync” is turned on) **Purpose:** Keep your catalog and stock in sync with the KeyOne marketplace, and receive marketplace orders into WooCommerce **Host / Endpoints:** The KeyOne marketplace base URL is built into the plugin. Outbound requests go to its `/keyone/catalog/v1/products`, `/keyone/catalog/v1/sync`, and `/keyone/catalog/ v1/remove` paths. The plugin also exposes inbound REST routes under `/wp-json/keyone/ v1/` (stock, orders, ping) that the marketplace calls. **Data Sent (outbound, from WooCommerce to KeyOne):** — Product data for published products: title, description, categories, image URLs, specifications, and per variant SKU, price, currency, stock quantity, weight, dimensions, and global unique identifier( GTIN, UPC, EAN, or ISBN) when set — Updated stock levels when a product or its stock changes — Deactivation requests (product SKUs) when a product is unpublished, trashed, or deleted — An authentication token (JWT) and your KeyOne company identifier **Data Received (inbound, from KeyOne to WooCommerce):** — Stock lookups: the marketplace requests current stock for a set of SKUs before it authorizes a marketplace payment— Marketplace orders: order id, line items (SKU, quantity, unit price), currency, and billing, shipping, and customer details, which the plugin records as native WooCommerce orders **When is Data Sent?** — Outbound: when a published product is created or updated, when its stock changes, when it is unpublished, trashed, or deleted, and in batches on first connect or when you click “Re-sync all products” — Inbound: when a shopper checks out on the KeyOne marketplace, the marketplace calls your store to verify stock and to create the resulting order. These inbound requests are authenticated with a JWT signed using your KeyOne API key. **Service Used:** KeyOne plugin health check **Purpose:** Report basic plugin status to KeyOne for support and compatibility **Data Sent:** Plugin status, your KeyOne API identifier, shop environment (WooCommerce version), and plugin version, sent once daily while the plugin is enabled. **External Service Provider:** [KeyOne Checkout](https://checkout.keyone.me/) — [Terms of Service](https://www.keyone.me/agb/) — [Privacy Policy](https://www.keyone.me/datenschutzhinweise/) 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. ## Screenshots [⌊Reduce Delivery Failures: KeyOne provides valid pre-stored addresses of users when placing guest orders.⌉⌊Reduce Delivery Failures: KeyOne provides valid pre- stored addresses of users when placing guest orders.⌉[ **Reduce Delivery Failures**: KeyOne provides valid pre-stored addresses of users when placing guest orders. [⌊International Delivery Address Number: Enable users to checkout with just IDAN and Password.⌉⌊International Delivery Address Number: Enable users to checkout with just IDAN and Password.⌉[ **International Delivery Address Number**: Enable users to checkout with just IDAN and Password. [⌊Faster Checkout for Users: Allows users to checkout easily as guest and help boost customer experience.⌉⌊Faster Checkout for Users: Allows users to checkout easily as guest and help boost customer experience.⌉[ **Faster Checkout for Users**: Allows users to checkout easily as guest and help boost customer experience. [⌊Fast Checkout Button on the Checkout Page: A preview of the checkout button added to the WooCommerce checkout page.⌉⌊Fast Checkout Button on the Checkout Page: A preview of the checkout button added to the WooCommerce checkout page.⌉[ **Fast Checkout Button on the Checkout Page**: A preview of the checkout button added to the WooCommerce checkout page. [⌊Admin Settings Page: Easily configure the plugin from the WooCommerce admin settings.⌉⌊ Admin Settings Page: Easily configure the plugin from the WooCommerce admin settings .⌉[ **Admin Settings Page**: Easily configure the plugin from the WooCommerce admin settings. [[ [[ ## Blocks This plugin provides 1 block. * KeyOne FastCheckout Extension ## 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-Connect in the WordPress admin. ## FAQ ### Does this plugin work with all WooCommerce themes? Yes, KeyOne-Connect 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. ## Reviews ![](https://secure.gravatar.com/avatar/852a66df0c164658efa856c18f02792532dcdcc07c3fd7bfc2b3460982d19c4e? s=60&d=retro&r=g) ### 󠀁[Unbelivable Solution. Very Nice!](https://wordpress.org/support/topic/unbelivable-solution-very-nice/)󠁿 [user73549x](https://profiles.wordpress.org/juliankeyone/) Олунньу 17, 2025 I am very happy with the KeyOne-Plugin. As they told me, they put my shop in big marketing campaigns so that many people see my products. Since that time, I was able to double the number of orders I have. Also, the integration process was easy and done in 5 minutes. [ Read all 1 review ](https://wordpress.org/support/plugin/keyone-fast-checkout/reviews/) ## Contributors & Developers “KeyOne-Connect” is open source software. The following people have contributed to this plugin. Contributors * [ KeyOne Verwaltungs GmbH ](https://profiles.wordpress.org/nandavikas/) [Translate “KeyOne-Connect” into your language.](https://translate.wordpress.org/projects/wp-plugins/keyone-fast-checkout) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/keyone-fast-checkout/), check out the [SVN repository](https://plugins.svn.wordpress.org/keyone-fast-checkout/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/keyone-fast-checkout/) by [RSS](https://plugins.trac.wordpress.org/log/keyone-fast-checkout/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### 2.0.6 * Point marketplace and payments endpoints at production. #### 2.0.5 Code quality: Plugin Check cleanup (direct-access guards, input unslashing/sanitizing, debug-only logging, translator comments). No functional change. #### 2.0.4 Internationalization: renamed the text domain to keyone-connect and added translator comments. No change to the plugin folder, settings, or data. #### 2.0.3 Internationalization: storefront and block strings are now translatable and the whole plugin uses a single text domain (keyone-connect). German translation to follow. #### 2.0.2 Internationalization: the admin UI is now fully translatable (text domain keyone- connect) and ships a translation template. German translation to follow. #### 2.0.1 Rebranded to KeyOne-Connect. New: two-way KeyOne marketplace sync. Your catalog and stock sync to the marketplace automatically, and marketplace orders flow into your store as native WooCommerce orders. Reworked the settings page into Connection, Marketplace Sync, and Fast Checkout modules, each with its own enable switch, plus a Test connection button. The marketplace URL is now built into the plugin. #### 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 #### 1.5.3 Fixed: save button issue in plugin admin configuration #### 1.5.2 Fixed: WordPress compatibility issues few versions of php. Recommended update for all users. #### 1.5.1 Bug fixes and improvements: Resolves WordPress compatibility issues and security warnings #### 1.5.0 New: Seamless connection with KeyOne platform to list/de-list your shop vouchers for better marketing #### 1.4.0 Users can now easily select and autofill partner vouchers from KeyOne which makes the checkout seamless, thereby helping boost conversions. #### 1.3.1 Update plugin description and author name. #### 1.3.0 Initial release. Added “Fast Checkout” button for both classic and Gutenberg WooCommerce blocks. Auto-fill functionality for streamlined checkout. ## Meta * Version **2.0.6** * Last updated **2 хонук ago** * Active installations **10+** * WordPress version ** 5.5 or higher ** * Tested up to **7.1.3** * PHP version ** 7.4 or higher ** * Language * [English (US)](https://wordpress.org/plugins/keyone-fast-checkout/) * Tags * [checkout](https://sah.wordpress.org/plugins/tags/checkout/)[fast checkout](https://sah.wordpress.org/plugins/tags/fast-checkout/) [Marketplace](https://sah.wordpress.org/plugins/tags/marketplace/)[sync](https://sah.wordpress.org/plugins/tags/sync/) [woocommerce](https://sah.wordpress.org/plugins/tags/woocommerce/) * [Advanced View](https://sah.wordpress.org/plugins/keyone-fast-checkout/advanced/) ## Ratings 5 out of 5 stars. * [ 1 5-star review ](https://wordpress.org/support/plugin/keyone-fast-checkout/reviews/?filter=5) * [ 0 4-star reviews ](https://wordpress.org/support/plugin/keyone-fast-checkout/reviews/?filter=4) * [ 0 3-star reviews ](https://wordpress.org/support/plugin/keyone-fast-checkout/reviews/?filter=3) * [ 0 2-star reviews ](https://wordpress.org/support/plugin/keyone-fast-checkout/reviews/?filter=2) * [ 0 1-star reviews ](https://wordpress.org/support/plugin/keyone-fast-checkout/reviews/?filter=1) [Your review](https://wordpress.org/support/plugin/keyone-fast-checkout/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/keyone-fast-checkout/reviews/) ## Contributors * [ KeyOne Verwaltungs GmbH ](https://profiles.wordpress.org/nandavikas/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/keyone-fast-checkout/) ## Donate Would you like to support the advancement of this plugin? [ Donate to this plugin ](https://keyone.me/)