Something to keep in mind when Doing the job with the PrestaShop API is authentication. You'll have to generate an API key from the back office and involve it in your requests. Without correct authentication, your requests is going to be turned down. Documentation is crucial. Often consult the official https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html