Generate a Truely Unique UUID

Watch this closely! You will never ever see this ID again at this place:

6ab2ee26-a3ca-4687-b90e-6b1bd9c30676The URI for this is: https://rfc4122v4.api.tuuid.com/6ab2ee26-a3ca-4687-b90e-6b1bd9c30676

1591795 truely unique UUID's were so far generated. Potential collisions prevented: 0

What is an UUID?

What means truely unique?

Is there a warranty for this service?