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

The use cases provide an overview of the currently supported endpoints for issuers and acquirers in the dispute cycle.

|                                                                          Use Case Overview                                                                           |                                                                                                                Description                                                                                                                 |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [First Chargeback](https://developer.mastercard.com/mastercom/documentation/use-cases/firstchargeback/index.md)                                                      | This use case demonstrates the process of an issuer creating a first chargeback.                                                                                                                                                           |
| [Collaboration (Issuer Use Case)](https://developer.mastercard.com/mastercom/documentation/use-cases/collaboration_issuer/index.md)                                  | This use case demonstrates the process of Collaboration, an attempt to engage the merchant to resolve the dispute. The Collaboration process is part of the process of creating a first chargeback.                                        |
| [Collaboration After Acquirers Are Included (Acquirer Use Case)](https://developer.mastercard.com/mastercom/documentation/use-cases/collaboration_acquirer/index.md) | This use case demonstrates the process of Collaboration, an attempt to engage the merchant or acquirer to resolve the dispute prior to the completion of a first chargeback.                                                               |
| [Second Presentment](https://developer.mastercard.com/mastercom/documentation/use-cases/secondpresentment/index.md)                                                  | This use case demonstrates the process of an acquirer creating a second presentment in response to a first chargeback.                                                                                                                     |
| [Pre-Arbitration and Pre-Compliance Case Filing](https://developer.mastercard.com/mastercom/documentation/use-cases/prearbprecomp/index.md)                          | This use case demonstrates the process of a sender filing a pre-arbitration or pre-compliance case and of a receiver processing the case.                                                                                                  |
| [Arbitration and Compliance Case Filing](https://developer.mastercard.com/mastercom/documentation/use-cases/arbcomp/index.md)                                        | This use case demonstrates the process of a sender filing an arbitration or compliance case and of a receiver processing the case.                                                                                                         |
| [Fraud Reporting](https://developer.mastercard.com/mastercom/documentation/use-cases/fraudreport/index.md)                                                           | This use case demonstrates the process of an issuer creating a fraud item in the Mastercard Fraud and Loss Database.                                                                                                                       |
| [Fee Collection](https://developer.mastercard.com/mastercom/documentation/use-cases/feecollection/index.md)                                                          | This use case demonstrates the process of a sender creating a fee collection and of a receiver responding.                                                                                                                                 |
| [Retrievals](https://developer.mastercard.com/mastercom/documentation/use-cases/retrievals/index.md)                                                                 | This use case demonstrates the process of retrieval requests and fulfillments.                                                                                                                                                             |
| [Reconciliation reports](https://developer.mastercard.com/mastercom/documentation/use-cases/reconreport/index.md)                                                    | The use case demonstrates the process of an issuer or acquirer creating and retrieving a reconciliation report or enhanced reconciliation report.                                                                                          |
| [First Chargeback for Debit Mastercard and Europe Dual Acquirers](https://developer.mastercard.com/mastercom/documentation/use-cases/chargeback_debit/index.md)      | This use case demonstrates the process of an issuer creating a first chargeback. Applies only when the original transaction has a single-message issuer, dual-message acquirer, and a transaction without a PIN.                           |
| [Fee Collection for Debit Mastercard and Europe Dual Acquirers](https://developer.mastercard.com/mastercom/documentation/use-cases/feecollect_debit/index.md)        | This use case demonstrates the process of a sender creating a fee collection and of a receiver responding. Applies only when the original transaction has a single-message issuer, dual-message acquirer, and a transaction without a PIN. |
| [Retrievals for Debit Mastercard and Europe Dual Acquirers](https://developer.mastercard.com/mastercom/documentation/use-cases/retrieval_debit/index.md)             | This use case demonstrates the process of retrieval requests and fulfillments for Debit Mastercard and Europe Dual Acquirers.                                                                                                              |

Note: Use `GET /healthcheck` to retrieve Mastercom API status. This endpoint is not represented in the business use cases.

API Reference: `GET /v6/healthcheck`

### Error Responses {#error-responses}

See error codes and responses [here](https://developer.mastercard.com/mastercom/documentation/code-and-formats/index.md).

## Next Steps {#next-steps}

Now that you have an understanding of the different use cases the service uses, proceed to the [API Reference](https://developer.mastercard.com/mastercom/documentation/api-reference/index.md) section to interact with all of our endpoints.