How to get Custom Shipping Rate for each product via Rest Admin API

[QuartileDev]

When I go to Settings > Shipping and Delivery, I can configure custom shipping rates and assign specific products to it. I'm trying to make a request to the Shopify REST Admin API, to get the custom shipping rate that was configured for each product. My goal here is just reading the data and see how each product is configured via API request. How can I do that?