To enroll hardware tokens into Entra ID using the Graph Api, follow the steps below.

Step 1: Get the JSON file of the hardware tokens

Step 2: Upload hardware tokens using the Graph Explorer

Optionally, you might want to check the token repository to make sure that the tokens have been successfully uploaded into Entra ID

Step 3: Check the token repository using Graph API

You can now give the tokens to your users and ask them to self-enroll their tokens in Entra ID

Step 4: Self-Enroll hardware tokens into Entra ID