Paddle SDKs

Paddle’s SDKs offer a convenient way to make use of Paddle’s features within your Mac and Windows desktop apps

Latest Versions
Catalina Compatibility

To maintain license activation state between Mojave and Catalina you should implement Paddle SDK v4.0.13 or above and re-run the verification step on first launch. Read more here.


  • Checkout: The SDKs make it easy to open checkouts in-app, for a better user experience and a higher conversion rate.

  • Licensing Licensing plus the checkout provides an end to end solution for access control to your apps. Paddle can issue licenses on a purchase and the SDK can activate and validate these.

  • Trial Access You can offer trials to your users prior to purchasing, allowing them to try your software over a period of days that you define.

Legacy SDKs

Mac OS v3 SDK