Something to keep in mind when Doing work with the PrestaShop API is authentication. You will need to create an API key in the back office and contain it in your requests. Without appropriate authentication, your requests will likely be rejected. Explore how to configure multi-vendor transport in PrestaShop with https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html