---
title: "validation"
canonical_url: "https://www.nutrient.io/api/csharp/validation/"
md_url: "https://www.nutrient.io/api/csharp/validation.md"
last_updated: "2026-10-08T08:55:57.713Z"
description: "Nutrient .NET SDK API reference for validation."
---

Types grouped under `validation` in the API reference. Import them from the `Nutrient` namespace.

```csharp

using Nutrient;

```

## Classes

| Class                                             | Description                                                                                        |
| ------------------------------------------------- | -------------------------------------------------------------------------------------------------- |
| [`PdfValidationResult`](./pdf-validation-result/) | Represents the outcome of a PDF conformance validation run performed by `PdfValidator`.            |
| [`PdfValidator`](./pdf-validator/)                | Validates PDF documents against archival (PDF/A) and accessibility (PDF/UA) conformance standards. |

---

## Related pages

- [Pdf Validation Result](/api/csharp/validation/pdf-validation-result.md)
- [Pdf Validator](/api/csharp/validation/pdf-validator.md)