Something to bear in mind when Doing the job with the PrestaShop API is authentication. You'll have to deliver an API key in the back office and consist of it in your requests. Without correct authentication, your requests will likely be rejected. I am having difficulties to be familiar with https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html