One thing to keep in mind when Performing with the PrestaShop API is authentication. You'll need to create an API essential from the back office and incorporate it in your requests. Without right authentication, your requests will be turned down. Documentation is vital. Regularly consult with the official reference supplies https://addons.prestashop.com/pt/seo-referenciamento-natural/31857-rich-snippets-automaticos-json-ld-opengraph-seo.html