# Configuring Sandbox Environment
source: https://developer.mastercard.com/doconomy-aland-index/tutorial/how-to-access-sandbox-environment/step1/index.md

## Configuring Sandbox Environment {#configuring-sandbox-environment}

You will require the following credentials :

1. Host URL
2. Consumer Key for authentication.
3. .P12 Secret file to Sign request.
4. Key Alias and KeyStore Password.

|         Configuration Key         |          Configuration Value          |
|-----------------------------------|---------------------------------------|
| Host                              | <https://sandbox.api.mastercard.com/> |
| Consumer Key for authentication.  | Your client ID                        |
| .P12 Secret file to Sign request. | Your sandbox key (.p12 file)          |
| Key Alias                         | keyalias                              |
| KeyStore Password                 | keystorepassword                      |

After using the above configuration values, your Insomnia setup will look like:
![Configurations](https://static.developer.mastercard.com/content/doconomy-aland-index/Images/Sandbox-config.png)