- Go into your Prestashop Back Office and click on the ADVANCED PARAMETERS -> Webservice
- Make sure following options must be yes
- Enable PrestaShop webservice
- Enable CGI mode for PHP
- Click on Add new webservice key

- Click the Generate button to generate web service authentication key.
- You can also create your own key but it must be 32 characters long.
- Using a generated key prevents Unauthorized user from guessing your key.
- Give permission to read all ressources:

- Save and done.
- Add the Key to the brainbi platform