diff --git a/config.json.example b/config.json.example
index b9ebaab0..ee965000 100644
--- a/config.json.example
+++ b/config.json.example
@@ -50,6 +50,7 @@
   "noDojoResearchTime": false,
   "fastClanAscension": false,
   "spoofMasteryRank": -1,
+  "nightwaveStandingMultiplier": 1,
   "worldState": {
     "creditBoost": false,
     "affinityBoost": false,
@@ -58,5 +59,8 @@
     "eidolonOverride": "",
     "vallisOverride": "",
     "nightwaveOverride": ""
+  },
+  "dev": {
+    "keepVendorsExpired": true
   }
 }
diff --git a/src/controllers/api/getVendorInfoController.ts b/src/controllers/api/getVendorInfoController.ts
index 5f9d3292..15ec9287 100644
--- a/src/controllers/api/getVendorInfoController.ts
+++ b/src/controllers/api/getVendorInfoController.ts
@@ -2,6 +2,7 @@ import { RequestHandler } from "express";
 import { applyStandingToVendorManifest, getVendorManifestByTypeName } from "@/src/services/serversideVendorsService";
 import { getInventory } from "@/src/services/inventoryService";
 import { getAccountIdForRequest } from "@/src/services/loginService";
+import { config } from "@/src/services/configService";
 
 export const getVendorInfoController: RequestHandler = async (req, res) => {
     let manifest = getVendorManifestByTypeName(req.query.vendor as string);
@@ -14,6 +15,14 @@ export const getVendorInfoController: RequestHandler = async (req, res) => {
         const accountId = await getAccountIdForRequest(req);
         const inventory = await getInventory(accountId);
         manifest = applyStandingToVendorManifest(inventory, manifest);
+        if (config.dev?.keepVendorsExpired) {
+            manifest = {
+                VendorInfo: {
+                    ...manifest.VendorInfo,
+                    Expiry: { $date: { $numberLong: "0" } }
+                }
+            };
+        }
     }
 
     res.json(manifest);
diff --git a/src/services/configService.ts b/src/services/configService.ts
index 1989330a..82cc4f31 100644
--- a/src/services/configService.ts
+++ b/src/services/configService.ts
@@ -56,6 +56,7 @@ interface IConfig {
     noDojoResearchTime?: boolean;
     fastClanAscension?: boolean;
     spoofMasteryRank?: number;
+    nightwaveStandingMultiplier?: number;
     worldState?: {
         creditBoost?: boolean;
         affinityBoost?: boolean;
@@ -65,7 +66,9 @@ interface IConfig {
         vallisOverride?: string;
         nightwaveOverride?: string;
     };
-    nightwaveStandingMultiplier?: number;
+    dev?: {
+        keepVendorsExpired?: boolean;
+    };
 }
 
 export const configPath = path.join(repoDir, "config.json");