I found it super helpful to begin by looking at the official PrestaShop API documentation. It's really well-documented and gives examples for every endpoint. You can find it in this article: PrestaShop API Documentation. When I install prestashop working with Quickinstall (cpanel module) the admin panel url is quite Strange https://bookmarkgenious.com/story21152878/5-simple-techniques-for-prestashop-multistore