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Plugin Licensing Kit (PLK)

Where Indie Developers Monetize their WordPress Plugins in Minutes.
Effortlessly add licensing, billing, and customer management to your WordPress plugin, all in one affordable toolkit.

Why Choose PLK?

🔑 License Key Generation & Validation

Secure, unique keys for every customer. Validate in real-time via REST API. Supports single-site, multi-site, and expiring keys.

💳 Stripe-Powered Checkout

Accept payments instantly with Stripe. One-time, recurring, or lifetime licenses. Choose from annual, quarterly, monthly, or weekly. Tax, invoicing, and payment methods handled automatically.

🛠️ Drop-in Integration

Simple PHP/JavaScript snippets for easy plugin integration. Minimal backend coding required.

🎨 White-Label & Custom Domain Available

Choose to use your brand and your experience. Use your logo and domain throughout checkout and the customer dashboard.

📊 Developer Dashboard

Track sales, manage customers, set pricing tiers, and view license status all from a modern dashboard.

🔁 Subscriptions & Renewals

Automatic renewals and reminders. Customers manage their own subscriptions. Webhook-based license activation.

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How Easy Is Integration?
// Validate a license key in PHP
$response = file_get_contents("https://pluginlicensingkit.com/api/validate?license=XYZ123&plugin=my-plugin");
$valid = json_decode($response, true)['status'] === 'valid';
Who Is PLK For?
How does PLK make money?
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