To begin utilizing Clickbooth's API, please log into your account, and in the upper right-hand, click on API Information.  Here you will find your Account ID # and API Key # which are needed for the API calls.

In the documentations attached, you will find the URL and the required parameters for the API call you're wishing to use.

The parameters will need to be appended with an "&" and "=" and the appropriate values.

For example: For the ReportSubIDsV2 API, append the following parameters:[yourAPIkey]&user_id=[yourAccountID]

Once these parameters and values are appended, you will receive your response.  Sample XML Responses are in the attached documentation.