https://gamipress.com/add-ons/gamipress-wc-partial-payments/

WooCommerce Partial Payments gives you the ability to enable GamiPress points types for partially pay any purchase on WooCommerce.In just a few minutes, your users will be able to reduce any purchase total (like a discount) by using an amount of points at checkout.In addition, this add-on includes options to set different conversions per points type, limit the maximum discount per purchase or included customize the input to enter the points amount.

Changelog

* **Improvements**

* Improved features for compatibility with the latest version of GamiPress.