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

This section provides sample use cases for implementing the Developers API.

|                                                                    Use Cases                                                                     |                                                                                                                                                                                                          Description                                                                                                                                                                                                           |
|--------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [**Onboard Customers**](https://developer.mastercard.com/mastercard-developers-api/documentation/use-cases/createprojects-customer/index.md)     | Retrieve the `serviceId` associated with the service/API and create projects for your own integration requirements or to onboard your end customers.                                                                                                                                                                                                                                                                           |
| [**Manage Projects**](https://developer.mastercard.com/mastercard-developers-api/documentation/use-cases/manage_projects/index.md)               | After you create a project, you can: * Retrieve all your projects or a specific project to check for project updates, request production access, or delete a project. * Retrieve all the services available on Mastercard Developers or retrieve details of a specific service, or if required delete a service in a project. * Update project's name, company name, and the list of countries where the service is available. |
| [**Manage Credentials**](https://developer.mastercard.com/mastercard-developers-api/documentation/use-cases/manage_project_credentials/index.md) | Add and manage your project and service credentials.                                                                                                                                                                                                                                                                                                                                                                           |