In code

Generate a UUID in C#

System.Guid is built in; .NET 9+ adds time-ordered version 7.

C# example

Guid.NewGuid().ToString();

// .NET 9+ — time-ordered v7:
Guid.CreateVersion7().ToString();

Here's a fresh version 4 UUID generated right now — copy it, or call the API from any language.

f3a0ecad-d7ba-4010-9c10-e79c19a27c3b

curl https://getuuid.sh/api/uuid