Something to remember when working with the PrestaShop API is authentication. You'll have to generate an API critical within the back office and include things like it in your requests. Without correct authentication, your requests are going to be turned down. Find out what an API integration platform is and https://addons.prestashop.com/pt/seo-referenciamento-natural/31857-rich-snippets-automaticos-json-ld-opengraph-seo.html