# Use Cases
source: https://developer.mastercard.com/carbon-calculator/documentation/use-cases/index.md

This section provides sample use cases for implementing your solution using the Carbon Calculator API. The user experience can be designed as required.

Following are the use cases in a logical sequence based on the integration option you have chosen for your implementation.

## Option 1 {#option-1}

* [Add Payment Cards](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/add_payment_card_single_and_bulk/index.md)
* [Delete Payment Card](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/delete_payment_cards/index.md)
* [Transaction Footprint Notification](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/txn_footprint_notification/index.md)
* [View Historical Transaction Footprints](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/historical_txn_footprint/index.md)
* [View Aggregate Transaction Footprints](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/aggregate_txn_footprint/index.md)
* [Add Payment Card (to be deprecated)](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/add_payment_card/index.md)
* [Delete Payment Cards (to be deprecated)](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/delete_payment_cards_deprecated/index.md)
* [Payment cards - Profiles](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/payment_cards_profiles/index.md)

Note: This option is for Issuers whose payment transactions are processed by Mastercard.

## Option 2 {#option-2}

* [Transaction Footprints Calculation](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/txn_footprint_calculation/index.md)
* [File Based Scoring Calculation](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/file_based_scoring/index.md)
* [Engagement Services - Surveys](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/engagement-services/surveys/index.md)
* [Engagement Services - Profiles](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/engagement-services/profiles/index.md)
* [Engagement Services - Personas](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/engagement-services/personas/index.md)
* [Engagement Services - Insights](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/engagement-services/insights/index.md)
* [Engagement Services - Comparisons](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/engagement-services/comparisons/index.md)
* [Engagement Services - Benchmarks](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/engagement-services/benchmarks/index.md)

Note: This option is for Issuers whose payment transactions are not processed by Mastercard.

## Common Use Cases {#common-use-cases}

* [View Service Provider Details](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/service_provider_details/index.md)
* [Update Service Provider Details](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/update_service_provider_details/index.md)
* [Get Supported Currencies and Merchant Categories](https://developer.mastercard.com/carbon-calculator/documentation/use-cases/supported_services/index.md)

Note: Issuers can refer and choose these use cases with Option 1 and Option 2 as required.