One thing to keep in mind when Operating with the PrestaShop API is authentication. You'll need to create an API essential from the back office and include things like it in your requests. Without good authentication, your requests will be rejected. Oh, and don't ignore authentication. You'll have to deliver https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html