OpenCart

1. Verify OpenCart website by uploading html file

Because verifying this website is quite complex, you should ask for help from IT department. 

Step 1: Login with a hosting account

Step 2: Select File Management> FTP Accounts

Step 3: Open Filezilla, fill in the fields (1), (2), (3) according to the following instructions

(1) Host: Copy IP in the browser and paste here

(2) Username: Paste here the user copied in the FTP Account interface

(3) Password:
Enter the password of the account you log into hosting
Click Quick Connect in FileZilla when all 3 fields have been filled in:

Step 4: Download html file by clicking on the link 

Step 5: Upload file to hosting Go to Filezilla, select public_html> opencart Right-click and select the downloaded html file> Upload

Step 6: Click Verify website to complete verification

2. Link to OpenCart website

Step 1: Log in to the OpenCart admin page

Step 2: Download file extension NOVAON Api 

Step 3: Install the downloaded NOVAON Api- extension according to the instructions Select Extensions> Installer> Upload

Step 4: Select file extension you just downloaded> Open

Step 5: After Uploading, proceed to install the extension according to the following instructions:
Select Extensions> Extensions> Select Modules in Choose the extension type
Find NOVAON Api in the API list, select Install

Step 6: After installing the extension, select Edit> Save> Copy 2 Consumer Secret codes, Consumer Key and paste into 2 corresponding boxes