# Use Cases
source: https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/index.md

If you are a debtor service provider looking to power payments for your debtor, Mastercard provides a complete tech-stack to support your business model.  

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| **Use cases**                                                                                                                                          |                                                                               || **Description**                                                                                                                                                                                                                                                                            ||
| **[Agreement Management](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/agreement-management/index.md)** | **Link debtor account to creditor**                                        |   | Enables the debtor to link their account to creditor and store payment information for future purchases; enables the setup of recurring payments based on frequency, duration, and amount.                                                                                              |
| **[Agreement Management](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/agreement-management/index.md)** | **Delete linked debtor accounts**                                          |   | Enables the debtor to view and delete linked accounts from their mobile banking app.                                                                                                                                                                                                    |
| **[Agreement Management](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/agreement-management/index.md)** | **Update linked debtor accounts**                                          |   | Enables the debtor to log in to the mobile banking app and view and update their linked accounts.​                                                                                                                                                                                      |
| **[Payments](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/payments/index.md)**                         | **Pay with linked account**                                                |   | Enables a debtor to pay a creditor (merchant) with a linked account; the option to enable notifications for the debtor to log in to the mobile banking application.                                                                                                                     |
| **[Payments](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/payments/index.md)**                         | **Pay and link to debtor account (debtor account is previously unlinked)** |   | Enables a debtor to link their account during the checkout process with a creditor for future purchases and setup recurring payments based on frequency, duration, and amount. It is a combined consumer experience that does not require the debtor to separately link their accounts. |
| **[Payments](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/payments/index.md)**                         | **One-time payment (single immediate payment)**                            |   | Enables creditors to support debtors making one-time purchases using their bank account without linking their account.                                                                                                                                                                  |
| **[Refunds](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/refunds/index.md)**                           | **Provide refunds to debtors**                                             |   | Enables debtors to receive a refund request and provide refund account information to a creditor.                                                                                                                                                                                       |
| **[Status Retrieval](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/status-retrieval/index.md)**         | **Obtain the status of the agreement and payment request**                 |   | The status retrieval use case allows the creditor service provider to obtain the status of the agreement and payment request.​                                                                                                                                                          |
| **[Timeout](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/timeout/index.md)**                           | **Notify participant during Timeout**                                      |   | Mastercard notifies the originating participant in case of connectivity failure to the receiving participant.                                                                                                                                                                           |
| **[Alternate Paths](https://developer.mastercard.com/account-to-account-commerce-for-dsp/documentation/use-cases/alternate-paths/index.md)**           | **Edge Use cases**                                                         |   | Information for participants on how to handle a few use case scenarios                                                                                                                                                                                                                  |