You can test your API key in our interactive developer portal. For example, to test a call for a CalcMiles report, you would: 

1. Enter your API key in the YOUR API KEY HERE box at the top, left-hand side of the page.
2. Enter the parameters you'd like to use in your call by checking or unchecking the boxes, changing the values, or both. 
3. Click on Go in the Request URL.
4. Scroll to the bottom of the page and you will see your Response in JSON format.