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Input Data Validation in NestJS

When building an API, one of the first lines of defense you must establish is strong input validation. This not only improves the user experience by providing clear error messages, but also protects your application from unexpected or malicious data. I'll show you how to implement input validation in NestJS in a clean, reusable, and efficient way.

Apr 26, 2025 - 19:13
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Input Data Validation in NestJS

When building an API, one of the first lines of defense you must establish is strong input validation. This not only improves the user experience by providing clear error messages, but also protects your application from unexpected or malicious data.

I'll show you how to implement input validation in NestJS in a clean, reusable, and efficient way.

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