Check how many SMS credits you have available.
https://api.mediaburst.co.uk/xml/credit.aspx
Your mediaburst API username
Your mediaburst API password
<?xml version="1.0" encoding="UTF-8"?>
<Credit>
<Username>username</Username>
<Password>password</Password>
</Credit>
<?xml version="1.0" encoding="utf-8"?>
<Credit_Resp>
<Credit>9921</Credit>
</Credit_Resp>
<?xml version="1.0" encoding="UTF-8"?>
<Credit>
<Username>wrong_username</Username>
<Password>password</Password>
</Credit>
<?xml version="1.0" encoding="utf-8"?>
<Credit_Resp>
<ErrNo>2</ErrNo>
<ErrDesc>Invalid Username Or Password</ErrDesc>
</Credit_Resp>
You might find our Mobile site useful.