Add OpenCart Platform
The upload folder contains all files for this module. You will notice that the folders are in the same structure as your Opencart installation. Important note: Take backup before you upload this files. Download Files Winrar File Zip File 1. Navigate to your opencart root folder using an FTP program 2. Upload the "catalog" & "admin" folder to your opencart installation folder / Root Folder 3. Go to your admin area in Extensions->Product Feeds and enable your REST API extension 
You have to fill the security key field (eg. 12345 or anything else)
4. Same key you going submit in OMS Security key input box with your website url/ domain name -
Example -
Website Name: XYZ website Website URL: http://www.exampleweb.com/
Secret Key : 12@45&@4$
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