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.

ee881f72-7166-45df-ac3e-ed948262bd8a

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