All GET endpoints on the API support oData query syntax. This syntax is a common standard and more information is available here.
To retrieve a pull list of pricing information on the product plands, use the following:
GET https://api.upodi.io/v2/productplans?$expand=ProductPlanCharges/ProductPlanChargePricings&$select=ProductPlanCharges/ProductPlanChargePricings HTTP/1.1
curl
-H "Content-Type: application/json"
-H "Authorization: Bearer <base64 key>"
https://api.upodi.io/v2/productplans?$expand=ProductPlanCharges/ProductPlanChargePricings&$select=ProductPlanCharges/ProductPlanChargePricings