Generating JSON schema from C# class

Question

Is there any way to programmatically generate a JSON schema from a C# class?

Something which we can do manually using http://www.jsonschema.net/

Answer 1

For those who land here from google searching for the reverse
(generate the C# class from JSON) - I use those fine online tools:

JSON:
http://json2csharp.com/
(Source: http://jsonclassgenerator.codeplex.com/)

XML:
http://xmltocsharp.azurewebsites.net/
(Source: https://github.com/msyoung/XmlToCSharp)

Answer 2

JsonSchemaGenerator js = new JsonSchemaGenerator();
var schema = js.Generate(typeof(Person));
schema.Title = typeof(Person).Name;
using (StreamWriter fileWriter = File.CreateText(filePath))
{
      fileWriter.WriteLine(schema);
}

Answer 3

Another option which supports generating JSON Schema v4 is NJsonSchema:

var schema = JsonSchema.FromType<Person>();
var schemaJson = schema.ToJson();

The library can be installed via NuGet.

Update for NJsonSchema v9.4.3+:

using NJsonSchema;

var schema = await JsonSchema.FromTypeAsync<Person>();
var schemaJson = schema.ToJson();