diff --git a/src/pages/index.js b/src/pages/index.js
index 78eb488..18dd801 100644
--- a/src/pages/index.js
+++ b/src/pages/index.js
@@ -88,7 +88,7 @@ socket.on("pixel-update", async (msg) => {
 // Buttons
 //
 async function placePixelButton() {
-    const { posX, posY, color } = getPlacementData();
+    const { color, posX, posY } = getPlacementData();
 
     await placePixel(room, posX, posY, color);
 }
diff --git a/src/rooms/canvas/index.js b/src/rooms/canvas/index.js
index ff2681f..d3fe575 100644
--- a/src/rooms/canvas/index.js
+++ b/src/rooms/canvas/index.js
@@ -80,7 +80,40 @@ async function getCanvas(room) {
 function subscribeToRoom() {}
 
 // get the pixel info of a room
-function getPixelInfo() {}
+async function getPixelInfo(room, posX, posY) {
+    if (!room) {
+        console.error("Cannot place pixel on an undefined room");
+        return null;
+    }
+
+    const response = await authedAPIRequest(
+        "/rooms/" + room + "/canvas/pixels",
+        {
+            method: "POST",
+            headers: {
+                "Content-Type": "application/json",
+            },
+            body: JSON.stringify({
+                posX,
+                posY,
+            }),
+        },
+    );
+
+    if (!response || !response.ok) {
+        console.error(
+            "Could not retrieve pixel infos: " + response && response.statusText
+                ? response.statusText
+                : "no more informations",
+        );
+        // console.debug(await response.text());
+        return null;
+    }
+
+    const res = await response.json();
+
+    return res;
+}
 
 // place a pixel in a room
 async function placePixel(room, posX, posY, color) {
@@ -93,10 +126,13 @@ async function placePixel(room, posX, posY, color) {
         "/rooms/" + room + "/canvas/pixels",
         {
             method: "POST",
+            headers: {
+                "Content-Type": "application/json",
+            },
             body: JSON.stringify({
-                posX: posX,
-                posY: posY,
-                color: color,
+                posX,
+                posY,
+                color,
             }),
         },
     );