Get hands-on quickly with our Subscription Management Postman resources and provisioned Trailhead playground org. Sign up for the Trailhead playground org, then fork the Salesforce Platform APIs Postman collection and the Subscription Management environment. Authenticate to your new org. Then, execute our Postman runner to query your org for object IDs and store them in the environment variables. Then you're set to make functioning requests against a provisioned Subscription Management org.
The Subscription Management Postman resources contain documentation that provides context for each request.