Mastering Custom DTO Mapping in .NET Core (with and without AutoMapper)

DEV CommunityWednesday, October 29, 2025 at 8:33:00 AM
This article explores the importance of Data Transfer Objects (DTOs) in .NET Core for building clean and efficient APIs. It highlights three practical methods for custom DTO mapping: manual mapping, using AutoMapper, and leveraging LINQ projections for optimal performance. Understanding these techniques is essential for developers looking to enhance their API architecture, control data exposure, and improve overall application performance.
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