Slot Instance
GET /api/2/slots/189?format=api
http://co.radiocorax.de/api/2/programmes/radio-blau-aktuell?format=api", "name": "Radio Blau Aktuell (0:50:00)", "runtime": "00:50:00", "url": "http://co.radiocorax.de/api/2/slots/189?format=api" }{ "programme": "