# Quick Start Guide
source: https://developer.mastercard.com/cross-border-services/documentation/tutorials/guide-create-project/index.md

## Sign up {#sign-up}

1. Create a [Mastercard Developers](https://developer.mastercard.com/account/sign-up) account
2. Validate your account by following the link sent to your email
3. Log in to your Mastercard Developer's account.

## Create {#create}

It's now time to create a project and download your sandbox and encryption keys.

### Step 1: Create a project on your My Projects page {#step-1-create-a-project-on-your-my-projects-page}

1. Click on **Create New Project** button (Top right corner, once logged in).
2. Name your project.
3. Select the **Mastercard Cross-Border Services API**.
4. You may invite members to your project as [collaborators](https://developer.mastercard.com/support).

![projetc-details](https://static.developer.mastercard.com/content/cross-border-services/documentation/images/Step2_gettingStarted.PNG)

### Step 2: Enter your sandbox signing key credentials {#step-2-enter-your-sandbox-signing-key-credentials}

1. Enter your sandbox signing key credentials and click on Proceed(as shown in the image below)

![create-oauth-key](https://static.developer.mastercard.com/content/cross-border-services/documentation/images/Step3_GettingStarted.PNG)

### Step 3: Enter your sandbox encryption keys {#step-3-enter-your-sandbox-encryption-keys}

You use the Client Encryption Key to encrypt the data you send to Mastercard and Mastercard Encryption Key is used to encrypt the data sent to you by Mastercard.

1. Enter your key Alias and Password, click on 'Create Project'

![create-encryption-key](https://static.developer.mastercard.com/content/cross-border-services/documentation/images/Step4_GettingStarted.PNG)

### Step 4: Download signing and encryption keys {#step-4-download-signing-and-encryption-keys}

Finally, the project is created and, your Signing and Encryption Keys will be available to download. Now you can begin testing in sandbox.

![download-keys](https://static.developer.mastercard.com/content/cross-border-services/documentation/images/Step5_GettingStarted.PNG)

## Adding a new service to an existing project {#adding-a-new-service-to-an-existing-project}

If you intend to use multiple Mastercard API services, such as Mastercard Send and Mastercard Cross-Border Services, you can add them to the same Mastercard Developers project and use the same keys and credentials to access the APIs.

To add an API service to an existing project:

1. In Mastercard Developers, open your project.

2. In the Summary panel, click **Add a new API to this project.**

3. Select the API service you want to add to the project, such as **Mastercard Cross-Border Services.**

4. If the new API can use keys that are not currently set up for your project, such as additional payload encryption keys, you will see setup panels relating to those keys. Provide the required details to generate the keys, and store the downloaded key files and details securely. **Click Open project.**

Your project's Summary panel will now show the new API.

![project-created-successfully](https://static.developer.mastercard.com/content/cross-border-services/documentation/images/addingnewtoexist.png)

Remember that to access the MTF and production APIs, you might need to register for the required programs and ask Mastercard to enable your access to those APIs.
Note:   
\*Downloaded files are:\*

1. MA\< EncryptionKey-Name \>-encryption-mc.p12  

   This file contains the private key for decrypting the response payload.
   The public key for encrypting the request payload can be downloaded in pem format from your [Project page](https://developer.mastercard.com/dashboard) by clicking on the project and using the **Actions \> Download Encryption Key** under the Client Encryption Keys section.

2. MCD_ Sandbox_\< Project-Name \>_API_Keys.zip   

   This zip fil contains: readme.txt and
   -sandbox.p12 file   
   This is used for Authentication purposes.

## Go Live {#go-live}

Please refer to the steps mentioned at the [Production Access Guide](https://developer.mastercard.com/cross-border-services/documentation/tutorials/guide-move-to-production/index.md) for Go live.