Hi @Aniruddha
Updated: The Developer portal feature is not available for the consumption tier. You can refer to this article that talks about AD B2C. There is no restriction and it should work with any tier.
Previous :This feature is not available for consumption tier. It is available in the Premium, Standard, and Developer tiers of API Management. This article will help you how to integrate Azure AD B2C with the API Management developer portal: https://learn.microsoft.com/en-us/azure/api-management/api-management-howto-aad-b2c
On how to validate JWT issued by Azure AD B2C in an API Management policy, please refer to https://learn.microsoft.com/en-us/azure/api-management/api-management-access-restriction-policies#ValidateJWT
Pricing details: https://azure.microsoft.com/en-us/pricing/details/api-management/