# Tutorials and Guides
source: https://developer.mastercard.com/donations/documentation/tutorials/index.md

## Tutorials {#tutorials}

This section enlists the tutorials which will help you to understand the consumer onboarding process on different environments. Also covered are topics which help you setup to test the newly onboarded consumer on Donation Platform API.

### How to Install and Configure Insomnia tool {#how-to-install-and-configure-insomnia-tool}

Learn how to download and install Insomnia for testing in your Sandbox environment.

[View Tutorial](https://developer.mastercard.com/donations/tutorial/how-to-install-and-configure-insomnia-tool/index.md)

### How to access the Sandbox Environment {#how-to-access-the-sandbox-environment}

Learn how to use the Sandbox environment to execute APIs using Insomnia.

[View Tutorial](https://developer.mastercard.com/donations/tutorial/how-to-access-sandbox-environment/index.md)

### Mastercard Donate API Testing Tutorial {#mastercard-donate-api-testing-tutorial}

Provides Sandbox test cases, covering both success and failed scenarios.

[View Tutorial](https://developer.mastercard.com/donations/tutorial/donation-api-details/index.md)

### Creating a Sample Project {#creating-a-sample-project}

Learn to create a simple Java program that calls the Mastercard Donate Sandbox API using OpenAPI Generator.

[View Tutorial](https://developer.mastercard.com/donations/tutorial/sample-project-creation/index.md)