diff --git a/package-lock.json b/package-lock.json
index cc7048f..45b1500 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,6 +14,7 @@
         "@thoughtspot/rest-api-sdk": "^2.13.1",
         "agents": "^0.0.95",
         "hono": "^4.7.8",
+        "rxjs": "^7.8.2",
         "yaml": "^2.7.1",
         "zod": "^3.24.3",
         "zod-to-json-schema": "^3.24.5"
@@ -4852,6 +4853,15 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "node_modules/rxjs": {
+      "version": "7.8.2",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.2.tgz",
+      "integrity": "sha512-dhKf903U/PQZY6boNNtAGdWbG85WAbjT/1xYoZIC7FAY0yWapOBQVsVrDl58W86//e1VpMNBtRV4MaXfdMySFA==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "tslib": "^2.1.0"
+      }
+    },
     "node_modules/safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -5493,9 +5503,7 @@
       "version": "2.8.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
       "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
-      "dev": true,
-      "license": "0BSD",
-      "optional": true
+      "license": "0BSD"
     },
     "node_modules/tsx": {
       "version": "4.19.3",
diff --git a/package.json b/package.json
index 3d17fc3..4edf55c 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "@thoughtspot/rest-api-sdk": "^2.13.1",
     "agents": "^0.0.95",
     "hono": "^4.7.8",
+    "rxjs": "^7.8.2",
     "yaml": "^2.7.1",
     "zod": "^3.24.3",
     "zod-to-json-schema": "^3.24.5"
diff --git a/src/thoughtspot/thoughtspot-client.ts b/src/thoughtspot/thoughtspot-client.ts
index 8c5908a..abe82d6 100644
--- a/src/thoughtspot/thoughtspot-client.ts
+++ b/src/thoughtspot/thoughtspot-client.ts
@@ -1,11 +1,28 @@
 import { createBearerAuthenticationConfig, ThoughtSpotRestApi } from "@thoughtspot/rest-api-sdk"
+import type { RequestContext, ResponseContext } from "@thoughtspot/rest-api-sdk"
 import YAML from "yaml";
+import type { Observable } from "rxjs";
+import { of } from "rxjs";
 
 export const getThoughtSpotClient = (instanceUrl: string, bearerToken: string) => {
-    const client = new ThoughtSpotRestApi(createBearerAuthenticationConfig(
+    const config = createBearerAuthenticationConfig(
         instanceUrl,
         () => Promise.resolve(bearerToken),
-    ));
+    );
+
+    config.middleware.push({
+        pre: (context: RequestContext): Observable<RequestContext> => {
+            const headers = context.getHeaders();
+            if (!headers || !headers["Accept-Language"]) {
+                context.setHeaderParam('Accept-Language', 'en-US');
+            }
+            return of(context);
+        },
+        post: (context: ResponseContext): Observable<ResponseContext> => {
+            return of(context);
+        }
+    });
+    const client = new ThoughtSpotRestApi(config);
     (client as any).instanceUrl = instanceUrl;
     addExportUnsavedAnswerTML(client, instanceUrl, bearerToken);
     addGetSessionInfo(client, instanceUrl, bearerToken);