# Use Cases
source: https://developer.mastercard.com/account-catalog-services/documentation/use-cases/index.md

In this section, you learn about different use case scenarios of the Account Catalog Services API.

* [PAN Registration](https://developer.mastercard.com/account-catalog-services/documentation/use-cases/pan-registration/registering_a_new_pan_to_envl_service/index.md)
* [Account Range Registration use case](https://developer.mastercard.com/account-catalog-services/documentation/use-cases/ac-range-enablement/prod-grad-account-range/index.md)