Send SMS GET URL Format:
username * Your Sendmode Account Username.
password * Your Sendmode Account Password.
numto * The number you wish to send your data to. This number must start with country code and drop the leading zero for example 3538 for Ireland, 447 for UK.
data1 * The message you want to send.
senderid Display an 11 Character PhoneNumber/BusinessName on Sent SMS.