diff --git a/API.md b/API.md
index 27c1d6b..a7b3c87 100644
--- a/API.md
+++ b/API.md
@@ -26,6 +26,13 @@ __The dict looks like :__
             'names' : string[], //Names of the place, possibly empty,
             'type': string, //in {'C'(orridor), 'S'(tairs), 'E'(levator), 'R'(oom)} ,
             'surface' : list of [int, int] //list of every points composing the room, projected on the floor surface
+            'connectedFloors' : [
+                {
+                    'id' : int,
+                    'name' : string
+                },
+                {...}
+            ]
         },
         {...}
     ]
@@ -191,6 +198,30 @@ __Errors :__
 - If _ID_ doesn't correspond to any registered edition : Return Error 404 "NotFoundHttpError".
 - If _ID_ has many occurence in the EditionRepository : Return Error 500 > The Database is corrupted.
 
+---------------------
+### /api/map/get_site_name/ID
+> Return the name of a site ID
+
+__Errors :__
+- If _ID_ doesn't correspond to any registered site : Return Error 404 "NotFoundHttpError".
+- If _ID_ has many occurence in the EditionRepository : Return Error 500 > The Database is corrupted.
+
+---------------------
+### /api/map/get_building_name/ID
+> Return the name of a building ID
+
+__Errors :__
+- If _ID_ doesn't correspond to any registered building : Return Error 404 "NotFoundHttpError".
+- If _ID_ has many occurence in the EditionRepository : Return Error 500 > The Database is corrupted.
+
+---------------------
+### /api/map/get_floor_name/ID
+> Return the name of a floor ID
+
+__Errors :__
+- If _ID_ doesn't correspond to any registered floor : Return Error 404 "NotFoundHttpError".
+- If _ID_ has many occurence in the EditionRepository : Return Error 500 > The Database is corrupted.
+
 ---------------------
 ### /api/map/del_place_name/PLACEID/NAME
 > Remove _NAME_ from the place _PLACEID_.