diff --git a/BackSimulation/src/main/java/com/example/BackSimulation/Model/API/APIopenRouteService.java b/BackSimulation/src/main/java/com/example/BackSimulation/Model/API/APIopenRouteService.java
index bb11965..5d4d5ef 100644
--- a/BackSimulation/src/main/java/com/example/BackSimulation/Model/API/APIopenRouteService.java
+++ b/BackSimulation/src/main/java/com/example/BackSimulation/Model/API/APIopenRouteService.java
@@ -1,7 +1,10 @@
 package com.example.BackSimulation.Model.API;
 
+import com.example.BackSimulation.Model.MapObjects.Building;
+import com.example.BackSimulation.Model.MouvableObject.CoordBigDecimal;
 import org.json.JSONArray;
 import org.json.JSONObject;
+import org.springframework.aop.scope.ScopedObject;
 
 import java.io.IOException;
 import java.math.BigDecimal;
@@ -9,6 +12,7 @@
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -19,15 +23,34 @@ public class APIopenRouteService {
     //private static final String tocken = "5b3ce3597851110001cf624898c7eb581706416a9ab7df828faeaae3";
     private static final String tocken = "5b3ce3597851110001cf624898d73d0c7634461abc58ae5564b8c48d";
 
-    private static Map<String, List<List<BigDecimal> >> cachedPath = new HashMap<>();
+    private static Map<List<CoordBigDecimal>, List<List<BigDecimal> >> cachedPath = new HashMap<>();
+
+    public static List<List<BigDecimal>> getPathAPI(Building startBuilding, Building endbuilding){
+        List<CoordBigDecimal> testKeyCach = new ArrayList<>();
+        testKeyCach.add(startBuilding.getCoords());
+        testKeyCach.add(endbuilding.getCoords());
+
+        System.out.println(startBuilding);
+        System.out.println(endbuilding);
+        System.out.println(cachedPath);
+
+        if( cachedPath.containsKey(testKeyCach)){
+            System.out.println("Cached call");
+            return cachedPath.get(testKeyCach);
+        }
+        System.out.println("Not cached");
+
+
+        cachedPath.put(testKeyCach, getPathAPI(startBuilding.coords.lng.floatValue(), startBuilding.coords.lat.floatValue()
+                , endbuilding.coords.lng.floatValue(), endbuilding.coords.lat.floatValue()));
+
+        return cachedPath.get(testKeyCach);
+    }
 
     public static List<List<BigDecimal>> getPathAPI(float startLong, float startLat, float endLong, float endLat){
 
         String tailURL = "&start="+ startLong + "," + startLat + "&end=" + endLong + "," + endLat;
 
-        if (cachedPath.containsKey(tailURL)){
-            return cachedPath.get(tailURL);
-        }
 
         String URL = domainName
                 + "?api_key=" + tocken
@@ -46,17 +69,29 @@ public static List<List<BigDecimal>> getPathAPI(float startLong, float startLat,
             e.printStackTrace();
         }
 
+        List<List<BigDecimal>> cordsList;
         JSONObject json = new JSONObject(response.body());
 
-        JSONArray a = (JSONArray) json.get("features");
-        JSONObject b = (JSONObject) a.get(0);
-        JSONObject c = (JSONObject) b.get("geometry");
-        JSONArray d = (JSONArray) c.get("coordinates");
+        if (json.has("features")) {
+            JSONArray a = (JSONArray) json.get("features");
+            JSONObject b = (JSONObject) a.get(0);
+            JSONObject c = (JSONObject) b.get("geometry");
+            JSONArray d = (JSONArray) c.get("coordinates");
 
-        List<List<BigDecimal>> cordsList = (List<List<BigDecimal>>)(List<?>)d.toList();
+            cordsList = (List<List<BigDecimal>>) (List<?>) d.toList();
 
-        // Add path to cach : 
-        cachedPath.put( tailURL , cordsList);
+        }else{
+            // This part cheats a little !
+            // if the API is overloaded will give some dummy coords to the agents
+            System.out.println("No Feature ! ");
+
+            List<BigDecimal> coords = new ArrayList<>();
+            coords.add(BigDecimal.valueOf(startLong));
+            coords.add( BigDecimal.valueOf(startLat));
+
+            cordsList = new ArrayList<>();
+            cordsList.add( coords );
+        }
 
         return cordsList;
     }
diff --git a/BackSimulation/src/main/java/com/example/BackSimulation/Model/MouvableObject/MouvableAgent.java b/BackSimulation/src/main/java/com/example/BackSimulation/Model/MouvableObject/MouvableAgent.java
index df78358..8c77014 100644
--- a/BackSimulation/src/main/java/com/example/BackSimulation/Model/MouvableObject/MouvableAgent.java
+++ b/BackSimulation/src/main/java/com/example/BackSimulation/Model/MouvableObject/MouvableAgent.java
@@ -16,6 +16,7 @@ public class MouvableAgent extends MapObject implements Mouvable{
     private List<List<BigDecimal>> path;
     private int indexPath = 0;
     private boolean hasArrived = false;
+    private Building lastPostion;
 
     private final BigDecimal deplacementMax = APIopenRouteService.deltaPoints.divide( BigDecimal.valueOf(1),10, RoundingMode.HALF_UP ) ;
     private final BigDecimal sightRadius= APIopenRouteService.deltaPoints.divide( BigDecimal.valueOf(0.5), 10, RoundingMode.HALF_UP) ;
@@ -28,15 +29,18 @@ public MouvableAgent( int id, CoordBigDecimal coords){
     // PUBLIC METHODES FROM MOUVABLE OBJECT :
 
     public void setGoal( Building building ){
-        //System.out.println("API build"  + building );
-        //System.out.println("CONVertion : " + building.coords.lng.doubleValue() + " " + building.coords.lat.doubleValue());
-
-        this.path = APIopenRouteService.getPathAPI(this.coords.lng.floatValue(), this.coords.lat.floatValue()
-                , building.coords.lng.floatValue(), building.coords.lat.floatValue());
+        if(lastPostion == null) {
+            System.out.println("NULL");
+            this.path = APIopenRouteService.getPathAPI(this.coords.lng.floatValue(), this.coords.lat.floatValue()
+                    , building.coords.lng.floatValue(), building.coords.lat.floatValue());
+
+        }else {
+            System.out.println("NOT NULL");
+            this.path = APIopenRouteService.getPathAPI(this.lastPostion, building);
+        }
+        lastPostion = building;
         this.hasArrived = false;
         this.indexPath = 0;
-
-        //System.out.println("Path : "  + this.path);
     }
 
     @Override
@@ -66,7 +70,6 @@ public void setMoveToGoal(){
 
             if (this.indexPath >= this.path.size()) {
                 this.hasArrived = true;
-                System.out.println("Yay, mission acomplie !");
             }
 
         }
@@ -101,19 +104,9 @@ public void setObstacle(MouvableAgent otherAgent){
                 this.dCoords.lat = dLatitude.add(dLatitude.divide(distance, 10, RoundingMode.HALF_UP).multiply(push));
             }catch(ArithmeticException e ){
                 System.out.println("Div 0 : " + e);
-
             }
 
             }
-
-        /*
-
-        BigDecimal multiply = dLongitude.divide(distance, 10, RoundingMode.HALF_UP).multiply(push);
-        this.dCoords.lng = dLongitude.add(multiply);
-        this.dCoords.lat = dLatitude.add(multiply);
-         */
-
-
     }
 
     public boolean hasArrived(){