diff --git a/app/api/langchain/tool/agent/route.ts b/app/api/langchain/tool/agent/route.ts
index d33501db7..357eecbaa 100644
--- a/app/api/langchain/tool/agent/route.ts
+++ b/app/api/langchain/tool/agent/route.ts
@@ -19,6 +19,7 @@ import { SerpAPI } from "langchain/tools";
 import { Calculator } from "langchain/tools/calculator";
 import { DuckDuckGo } from "@/app/api/langchain-tools/duckduckgo_search";
 import { HttpGetTool } from "@/app/api/langchain-tools/http_get";
+import { ACCESS_CODE_PREFIX } from "@/app/constant";
 
 const serverConfig = getServerSideConfig();
 
@@ -36,6 +37,7 @@ interface RequestBody {
   frequency_penalty?: number;
   top_p?: number;
   baseUrl?: string;
+  apiKey?: string;
   maxIterations: number;
   returnIntermediateSteps: boolean;
 }
@@ -67,6 +69,13 @@ async function handle(req: NextRequest) {
     const transformStream = new TransformStream();
     const writer = transformStream.writable.getWriter();
     const reqBody: RequestBody = await req.json();
+    const authToken = req.headers.get("Authorization") ?? "";
+    const token = authToken.trim().replaceAll("Bearer ", "").trim();
+    const isOpenAiKey = !token.startsWith(ACCESS_CODE_PREFIX);
+    let apiKey = serverConfig.apiKey;
+    if (isOpenAiKey && token) {
+      apiKey = token;
+    }
 
     const handler = BaseCallbackHandler.fromMethods({
       async handleLLMNewToken(token: string) {
@@ -209,7 +218,7 @@ async function handle(req: NextRequest) {
     const llm = new ChatOpenAI(
       {
         modelName: reqBody.model,
-        openAIApiKey: serverConfig.apiKey,
+        openAIApiKey: apiKey,
         temperature: reqBody.temperature,
         streaming: reqBody.stream,
         topP: reqBody.top_p,