diff --git a/api/server/services/Config/loadAsyncEndpoints.js b/api/server/services/Config/loadAsyncEndpoints.js
index 0282146cd1..edded906d8 100644
--- a/api/server/services/Config/loadAsyncEndpoints.js
+++ b/api/server/services/Config/loadAsyncEndpoints.js
@@ -1,3 +1,5 @@
+const fs = require('fs');
+const path = require('path');
 const { EModelEndpoint } = require('librechat-data-provider');
 const { isUserProvided } = require('~/server/utils');
 const { config } = require('./EndpointService');
@@ -11,9 +13,21 @@ const { openAIApiKey, azureOpenAIApiKey, useAzurePlugins, userProvidedOpenAI, go
 async function loadAsyncEndpoints(req) {
   let i = 0;
   let serviceKey, googleUserProvides;
+  const serviceKeyPath =
+    process.env.GOOGLE_SERVICE_KEY_FILE_PATH ||
+    path.join(__dirname, '../../..', 'data', 'auth.json');
+
   try {
-    serviceKey = require('~/data/auth.json');
-  } catch (e) {
+    if (process.env.GOOGLE_SERVICE_KEY_FILE_PATH) {
+      const absolutePath = path.isAbsolute(serviceKeyPath)
+        ? serviceKeyPath
+        : path.resolve(serviceKeyPath);
+      const fileContent = fs.readFileSync(absolutePath, 'utf8');
+      serviceKey = JSON.parse(fileContent);
+    } else {
+      serviceKey = require('~/data/auth.json');
+    }
+  } catch {
     if (i === 0) {
       i++;
     }
@@ -32,14 +46,14 @@ async function loadAsyncEndpoints(req) {
   const gptPlugins =
     useAzure || openAIApiKey || azureOpenAIApiKey
       ? {
-        availableAgents: ['classic', 'functions'],
-        userProvide: useAzure ? false : userProvidedOpenAI,
-        userProvideURL: useAzure
-          ? false
-          : config[EModelEndpoint.openAI]?.userProvideURL ||
+          availableAgents: ['classic', 'functions'],
+          userProvide: useAzure ? false : userProvidedOpenAI,
+          userProvideURL: useAzure
+            ? false
+            : config[EModelEndpoint.openAI]?.userProvideURL ||
               config[EModelEndpoint.azureOpenAI]?.userProvideURL,
-        azure: useAzurePlugins || useAzure,
-      }
+          azure: useAzurePlugins || useAzure,
+        }
       : false;
 
   return { google, gptPlugins };
diff --git a/api/server/services/Endpoints/google/initialize.js b/api/server/services/Endpoints/google/initialize.js
index 60e874d5b8..169d625e3f 100644
--- a/api/server/services/Endpoints/google/initialize.js
+++ b/api/server/services/Endpoints/google/initialize.js
@@ -1,3 +1,5 @@
+const fs = require('fs');
+const path = require('path');
 const { getGoogleConfig, isEnabled } = require('@librechat/api');
 const { EModelEndpoint, AuthKeys } = require('librechat-data-provider');
 const { getUserKey, checkUserKeyExpiry } = require('~/server/services/UserService');
@@ -15,8 +17,20 @@ const initializeClient = async ({ req, res, endpointOption, overrideModel, optio
   }
 
   let serviceKey = {};
+
   try {
-    serviceKey = require('~/data/auth.json');
+    if (process.env.GOOGLE_SERVICE_KEY_FILE_PATH) {
+      const serviceKeyPath =
+        process.env.GOOGLE_SERVICE_KEY_FILE_PATH ||
+        path.join(__dirname, '../../../../..', 'data', 'auth.json');
+      const absolutePath = path.isAbsolute(serviceKeyPath)
+        ? serviceKeyPath
+        : path.resolve(serviceKeyPath);
+      const fileContent = fs.readFileSync(absolutePath, 'utf8');
+      serviceKey = JSON.parse(fileContent);
+    } else {
+      serviceKey = require('~/data/auth.json');
+    }
   } catch (_e) {
     // Do nothing
   }
diff --git a/packages/api/src/files/mistral/crud.ts b/packages/api/src/files/mistral/crud.ts
index f3ad74b731..5b0d10659a 100644
--- a/packages/api/src/files/mistral/crud.ts
+++ b/packages/api/src/files/mistral/crud.ts
@@ -439,15 +439,20 @@ async function loadGoogleAuthConfig(): Promise<{
   serviceAccount: GoogleServiceAccount;
   accessToken: string;
 }> {
-  /** Path from current file to project root auth.json */
-  const authJsonPath = path.join(__dirname, '..', '..', '..', 'api', 'data', 'auth.json');
+  /** Path from environment variable or default location */
+  const serviceKeyPath =
+    process.env.GOOGLE_SERVICE_KEY_FILE_PATH ||
+    path.join(__dirname, '..', '..', '..', 'api', 'data', 'auth.json');
+  const absolutePath = path.isAbsolute(serviceKeyPath)
+    ? serviceKeyPath
+    : path.resolve(serviceKeyPath);
 
   let serviceKey: GoogleServiceAccount;
   try {
-    const authJsonContent = fs.readFileSync(authJsonPath, 'utf8');
+    const authJsonContent = fs.readFileSync(absolutePath, 'utf8');
     serviceKey = JSON.parse(authJsonContent) as GoogleServiceAccount;
   } catch {
-    throw new Error(`Google service account not found at ${authJsonPath}`);
+    throw new Error(`Google service account not found at ${absolutePath}`);
   }
 
   if (!serviceKey.client_email || !serviceKey.private_key || !serviceKey.project_id) {