How can I enable Advanced API?

To perform a 3dcart migration, you'll have to use REST API in cart's admin panel.

Here's how exactly:

1. Go to Modules from the Admin panel of your 3dcart store

2. Find REST API module and press “+” button to expand

3. Click on “Change Settings”

4. Click “Add” and paste the following key c4c058b5bcd65352cf6c79d9931fcfdb into Public Key field

5. Proceed with clicking “Add” button located on the right from Public Key field

6. When Cart2Cart application is found, click “Authorize”

7. Proceed to the Migration Wizard to continue migration setup