Sending a simple message... 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" }