This is a postman collection covering the Circle API. See https://developers.circle.com for more details.
Within your Postman workspace select the Import button:
Next copy the CircleAPICollection.json contents and paste in the Paste Raw Text section of the import dialog:
To run requests you'll need to supply your Sandbox API key. To ensure it is a part of all requests you can add into the Circle API collection authorization field.
Be sure to save the collection after you've configured have set the key
We want to hear how we can make the collection better! Don't hesitate to file issues for any bugs you encounters, features you'd like to see or other suggestions you have.