You can add any product type to the cart by REST API in Magento 2 using V1/carts/mine/items endpoint with a custom token as a Header parameter.
This API is useful when you add items to the cart with a third-party platform for the logged-in customer.
To run successfully with this API, you first need to generate a customer token that we have to pass to the Header parameter in the call request. Continue reading “Add item to cart for login customer by V1/carts/mine/items REST API Magento 2.”