Once the extension is successfully installed in the Magento 2 store, the Walmart Mexico Integration menu
appears on the left navigation bar of the Admin Panel. The store owner has to fill out the retrieved the API
Key value in the respective field displayed on the Walmart Mexico Configuration page of the admin panel.

To retrieve the API Key from the Walmart Mexico Seller Account

1. Go to the https://walmartmx-prod.mirakl.net/(https://walmartmx-prod.mirakl.net/) link for Sandbox Mode. Or Go to the https://marketplace.catch.com.au/login(https://marketplace.catch.com.au/login)
   link for Live Mode. (It should be in accordance with the Mode that you will be choosing while doing the Configuration).
2. The Login page appears as shown in the following figure:
   
3. Enter the login credentials, and then click the Sign In button.
4. The page appears as shown in the following figure:
   
5. Click the username as highlighted in the figure.
6. The page appears as shown in the following figure:
   
7. In the left navigation panel, click the API Key menu.
8. The API Key value appears in the right panel as shown in the following figure.
   
9. Click the Copy to clipboard button to copy the API key value.
10. Save the corresponding value in some text editor or the in Word file to use it later on while setting up the configuration in the Magento 2 store admin panel.