With Klingelring, users can create new ringtones from a music library when they download a press kit. The principal value of the API could be the easiness to create ringtones while users connect with other creators around the world. Developers who work with phone apps can benefit from this API that supports JSON format. The API might be targeted to the youth culture and app creators. To start, developers can visit the resources link where they can see samples of parameters, responses and requests.