The OpenCart API allows your application to access current data within OpenCart through the API, several common operations can be performed. Operations include: create — Creates with the specified parameters.For example, you can add products to the cart as given by OpenCart API post request of products or product_id at/index.php?route=api/cart/add read — Retrieves information about the specified … Continue reading OpenCart API documentation to create, read, query, update, and upsert