Kestrel API Manager for WooCommerce 3.5.1

Why do members want to download Kestrel API Manager for WooCommerce from here? Because this resource was immediately available as of 2025-06-20, It received professional maintenance and updates when it was released synchronously on NullPro.
Sell license keys and subscriptions for software and online services to grow your subscription business.
Kestrel API Manager Software Licensing and Subscriptions

Sell Licensed Software
Provide license keys to customers when they purchase your product. Integrate with any programming language to restrict only paying customers from using your software.
Full Licensing API
Handle license activation, deactivation, status checks, list purchased products, verify active api key, deploy software updates for your customer’s license keys, and more.
Renew Subscriptions
Built-in API Manager subscriptions can be renewed manually by the customer.
Subscription renewal emails are sent 30 days and 7 days before, and 1 day after, a subscription is set to expire, with a renewal link in the email.
Upgrade/Downgrade Subscriptions
Allow your customers to upgrade their license key and offer more features or activations. You can pro-rate the upgrade and offer additional discounts by pairing with Woo Subscriptions.
Release Updates
Provide new features and bug fixes to your users by deploying updates to your software via the included licensing API.
One-click and auto-updates are supported.
Amazon S3, remote URL, and local server download options are available for software updates. All URLs are turned into a secure URL.
Drop-in library Kestrel API Manager PHP Library for Plugins and Themes is available for WordPress plugin and theme developers.
Automated Payment Processing
When paired with Woo Subscriptions and a supporting billing gateway, subscription renewal payments are billed automatically.
Unlock Software with License
Ability to prevent the software from being used until the license is activated.

Online Subscription Service

Authenticate customer access through purchased API Key activations.
Block access until the API Key is activated.
Check API Key activation status.
Determine which products/API Resources are available through the API.
Determine subscription level by the API Key and the number of activations available.
Automatically process subscription payments when paired with Woo Subscriptions and a supporting billing gateway.

Existing Store Setup

Setting up a WooCommerce store with existing products and orders with the Kestrel API Manager is accomplished as follows:

Edit each product to be used with the KestrelAPI Manager by selecting the API checkbox, then filling in the API tab form, and if it is a variable product variation, a few API Manager details such as the number of activations.
API Resources will be automatically created from Order line items that contain those products selected as API products. Order line items that contain WooCommerce Subscription product types will also be automatically created. All API Resources are now accessible with client software or an online service through the APIs.
Either add the Kestrel API Manager PHP Library for Plugins and Themes to your plugin or theme, or build an API client to connect to the API Manager APIs according the the documentation to take advantage of all the features available.
Done.