The integration of the Rozetka Pay payment module with the OkeyCMS content management system has been completed. The module has been customized by rewriting paths, which ensured correct operation and compatibility with the current version of the CMS. In addition, a new payment method has been implemented, expanding the functional capabilities of the online store and improving the user experience. This project demonstrates skills in modular development, adapting existing solutions to specific requirements, and integrating payment systems.