Web Service - Methods - GetCreditsLeft
This method is used to query the number of Message Credits remaining on a client’s pre-pay account.
You can choose to receive the return code data from this method as either a CSV string or XML through your setting of the returnCSVString parameter.
If a CSV string is requested, the first line will contain the Transaction code contained within the '#' characters.
On successful completion of this method, the number of Message Credits remaining on the client’s account is returned, as a real number.
If the account is found, and the account is a Credit Account (where messages are not pre-purchased), then the method will return: