Use postman to test the functionality of the APIs you are interested in.
Precondition: the project is cloned to your local computer. Postman app is running.
- In Postman application click Import on the Environments tab.

- Drag-and-drop .json files from ./environment to the Import window. Click the Import button.

- Select the required environment. Click Checkmark near environment's name.

- Enter your credentials to username, password fields in CURRENT VALUE column.

- Click Import on the Collection tab.

- Drag-and-drop .json files from ./collection to the Import window. Click the Import button.

- Send Acquire Token request to generate new token.

Now you can send any requests from the collection and check its results.
Development environment:
Production environment: