Document laas API

space/laas.md

@@ -3,3 +3,29 @@
 There is a public announcement speaker mounted to the cable tray in coucharea. It is connected to a
 Raspberry Pi, `laas.asozial.it-syndikat.org`, running https://git.it-syndikat.org/oha/laas. Can be
 controlled via a REST API, most easily through the entities already set up in Home Assistant.
+
+## API Endpoints
+The REST API implements the following endpoints: 
+
+Get the currently playing song  
+`GET /api/nowplaying`
+
+Start Playback  
+`POST /api/start`
+
+Stop the Playback  
+`POST /api/stop`
+
+Play a local file/remote url  
+`POST /api/play<filename_or_url>`
+
+Play a Sound effect. This does not interrupt the currently playing song.  
+`POST /api/fx<filename_or_url>`
+
+Change Volume  
+`PUT /api/volume` with the volume you want to set in percent.
+
+Get Volume  
+`GET /api/volume`
+
+