# Tutorials and Guides
source: https://developer.mastercard.com/merchant-self-services/documentation/tutorials-and-guides/index.md

These articles help guide you in getting your API set up so that we can call it to look up submerchant information.  

* The [Quick Start Guide](https://developer.mastercard.com/merchant-self-services/documentation/tutorials-and-guides/quick-start-guide/index.md) helps you quickly create a new project and generate the keys you need to access the sandbox environment.
* The [Reference App Tutorial](https://developer.mastercard.com/merchant-self-services/documentation/tutorials-and-guides/reference-app-tutorial/index.md) provides step-by-step guidance for testing your API with requests made by the Merchant Self Services API in a sandbox environment.