Download and Install Postman
download respective version.
Install by right clicking the setup exe (Postman-win64-6.7.4-Setup.exe) as administrator.
Open the postman application by right clicking and Run as administrator.
After opening the Postman go to File menu – Import
Choose “Import From Link”- enter the below url and click Import.
You need to supply your clientId and Clientsecret at OAuth Authentication token.
Postman collection is available to test ShippingOptions 2.0 API.