Hello Betapro Tech Services,
Thank you for posting your request on the Microsoft Q&A Community.
I understand you would like to cancel your Subscription as you no longer require it.
To do this, once you log in to your Entra ID tenant, search for Subscription and click on the subscription you want to cancel
Kindly click on the link below to access a thread where the related request was made as you would need to initiate the cancellation.
https://learn.microsoft.com/en-us/answers/questions/1388964/how-to-cancel-azure
Also, you can access the documentation which explains the steps to cancel and delete your subscription.
Let me know if further assistance is needed.
Babafemi