Generate C# Classes from API Response

Generate C# classes with JsonPropertyName attributes from a typical REST API JSON response. Paste your API output and get production-ready C# class files.

100% client-side. Your data never leaves your browser. 

// Generated by DevBento — json-to-typescript
interface RootAddress {
  street: string;
  city: string;
  zip: string;
}

interface RootPostsItem {
  title: string;
  likes?: number;
}

interface Root {
  id: number;
  name: string;
  email: string;
  isActive: boolean;
  roles: string[];
  address: RootAddress;
  posts: RootPostsItem[];
}
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Generate C# Classes from API Response

This example generates C# classes with JsonPropertyName attributes from a typical REST API response. The pre-filled JSON represents a user object with nested address, array of roles, and array of post objects. Switch to C# mode to see the generated classes.

What You Get

The tool produces:

How to Use

  1. The example loads with a sample API response and C# mode pre-selected
  2. Inspect the generated C# classes and their attributes
  3. Copy the classes and paste them into your C# project
  4. Replace with your actual API response to generate classes for your endpoints

Real-World Pattern

C# classes with JsonPropertyName attributes are the standard way to deserialize API responses in .NET. The generated code works directly with JsonSerializer.Deserialize<T>. Use nullable types for fields that may not always be present in the response.