diff --git a/src/controllers/api/updateChallengeProgressController.ts b/src/controllers/api/updateChallengeProgressController.ts
index b822d8188..887224e3d 100644
--- a/src/controllers/api/updateChallengeProgressController.ts
+++ b/src/controllers/api/updateChallengeProgressController.ts
@@ -1,7 +1,20 @@
 import { RequestHandler } from "express";
+import { IChallengeProgress } from "@/src/types/inventoryTypes/inventoryTypes";
+import { getJSONfromString } from "@/src/helpers/stringHelpers";
+import { getAccountIdForRequest } from "@/src/services/loginService";
+import { getInventory, addChallenges } from "@/src/services/inventoryService";
 
-const updateChallengeProgressController: RequestHandler = (_request, response) => {
-    response.sendStatus(200);
+interface IUpdateChallengeProgessRequest {
+    ChallengeProgress: IChallengeProgress[];
+}
+
+const updateChallengeProgressController: RequestHandler = async (req, res) => {
+    const payload: IUpdateChallengeProgessRequest = getJSONfromString(req.body.toString());
+    const accountId = await getAccountIdForRequest(req);
+    const inventory = await getInventory(accountId);
+    addChallenges(inventory, payload.ChallengeProgress);
+    inventory.save();
+    res.status(200).end();
 };
 
 export { updateChallengeProgressController };
diff --git a/src/services/inventoryService.ts b/src/services/inventoryService.ts
index 0d6852583..550cbc628 100644
--- a/src/services/inventoryService.ts
+++ b/src/services/inventoryService.ts
@@ -290,7 +290,7 @@ const addMods = (inventory: IInventoryDatabaseDocument, itemsArray: IRawUpgrade[
     });
 };
 
-const addChallenges = (inventory: IInventoryDatabaseDocument, itemsArray: IChallengeProgress[] | undefined) => {
+export const addChallenges = (inventory: IInventoryDatabaseDocument, itemsArray: IChallengeProgress[] | undefined) => {
     const category = inventory.ChallengeProgress;
 
     itemsArray?.forEach(({ Name, Progress }) => {