Proceedings of the International scientific and practical conference ―The Hague Conference on Science and Public Policy‖ (May 8-10, 2026) / Publisher website: www.naukainfo.com. – The Hague, Netherlands, 2026. - 232 p.

31 distinguish between API timeouts, UI element shifts, or platform-specific rendering issues. By implementing such integrated automation strategies, organizations can achieve a higher level of software quality assurance, ensuring that the entire ecosystem functions as a cohesive unit across all supported platforms. The adoption of unified E2E automation strategies allows for the effective bridging of the gap between backend services and frontend desktop interfaces. By combining API-driven data control with cross-platform UI verification [3], engineers can create a resilient testing environment that scales alongside complex enterprise architectures. This integrated approach not only improves the reliability of automated suites but also provides a comprehensive framework for validating end-to-end business logic in real-world deployment scenarios. REFERENCES: 1. RestSharp. Official website. URL: https://github.com/restsharp/restsharp 2. HttpClient. Official website. URL: https://learn.microsoft.com/en- us/dotnet/api/system.net.http.httpclient?view=net-10.0 3. How to Verify UI Consistency Across Platforms. Official website. URL: https://www.uxpin.com/studio/blog/how-to-verify-ui-consistency-across- platforms/