Sending a simple smart email...

Sent! Here's the response:
object(stdClass)#5 (2) {
  ["Code"]=>
  int(100)
  ["Message"]=>
  string(15) "Invalid API Key"
}

Sending a message with all the options...

Sent! Here's the response:
object(stdClass)#7 (2) {
  ["Code"]=>
  int(100)
  ["Message"]=>
  string(15) "Invalid API Key"
}