Freemius API Authorization via Postman

I am seeking a capable professional to create the authorization request API command in Postman that would allow me to use the Freemius API. The primary objective is to retrieve order details, specifically the order quantity.

Ideal Skills and Experience:
- Proficiency in API usage and understanding
- Familiarity with Freemius API
- Hands-on experience with Postman
- Knowledge of order retrieval from APIs

The freelancer will be responsible for:
- Writing and executing a command for authorization in Postman
- Ensuring successful access to Freemius API
- Making sure that the retrieval of order data is working as expected

Time efficiency and accuracy of the created command will be assessed. Please only apply if you can develop a reliable solution within a reasonable time frame.