Hello hampton123,
Thanks for your question.
Yes, it will be possible, you would need to add Entra ID as a login method to your developer portal.
To do this, please review the documentation here:
https://learn.microsoft.com/en-us/azure/api-management/api-management-howto-protect-backend-with-aad
Please let me know if you have further questions
You can mark it 'Accept Answer' if this helped.