The Slybroadcast API provides access to the Mobilesphere/Slybroadcast ringless voicemail messaging platform to integrate third party providers. It supports data collection, data submission and audio file delivery to voicemail, to collect the audio file, the destination landline or mobile number(s) and the caller ID of the originating number. All requests must be submitted as a form using the POST method. Example calls are available in cURL, JQuery, Ruby, Python, Node, PHP and Go. Slybroadcast provides voicemail delivery technology to send a voice mail directly to the voicemail boxes of mobile phones.