diff --git a/next-i18next.config.js b/next-i18next.config.js
index 224b276..1c44b8a 100644
--- a/next-i18next.config.js
+++ b/next-i18next.config.js
@@ -1,5 +1,3 @@
-const path = require("path");
-
 module.exports = {
   i18n: {
     defaultLocale: "en",
diff --git a/pages/api/models.ts b/pages/api/models.ts
index 839f6aa..7f441ad 100644
--- a/pages/api/models.ts
+++ b/pages/api/models.ts
@@ -1,4 +1,5 @@
 import { OpenAIModel, OpenAIModelID, OpenAIModels } from "@/types";
+import { OPENAI_API_HOST } from "@/utils/app/const";
 
 export const config = {
   runtime: "edge"
@@ -10,7 +11,7 @@ const handler = async (req: Request): Promise<Response> => {
       key: string;
     };
 
-    const response = await fetch("https://api.openai.com/v1/models", {
+    const response = await fetch(`${OPENAI_API_HOST}/v1/models`, {
       headers: {
         "Content-Type": "application/json",
         Authorization: `Bearer ${key ? key : process.env.OPENAI_API_KEY}`
diff --git a/types/env.d.ts b/types/env.d.ts
new file mode 100644
index 0000000..b816009
--- /dev/null
+++ b/types/env.d.ts
@@ -0,0 +1,6 @@
+namespace NodeJS {
+  interface ProcessEnv {
+    OPENAI_API_KEY: string;
+    OPENAI_API_HOST?: string;
+  }
+}
diff --git a/utils/app/const.ts b/utils/app/const.ts
index badac76..0b40c68 100644
--- a/utils/app/const.ts
+++ b/utils/app/const.ts
@@ -1 +1,4 @@
 export const DEFAULT_SYSTEM_PROMPT = "You are ChatGPT, a large language model trained by OpenAI. Follow the user's instructions carefully. Respond using markdown.";
+
+
+export const OPENAI_API_HOST = process.env.OPENAI_API_HOST || 'https://api.openai.com'
\ No newline at end of file
diff --git a/utils/server/index.ts b/utils/server/index.ts
index 9c44d5a..b25cf4a 100644
--- a/utils/server/index.ts
+++ b/utils/server/index.ts
@@ -1,8 +1,9 @@
 import { Message, OpenAIModel } from "@/types";
 import { createParser, ParsedEvent, ReconnectInterval } from "eventsource-parser";
+import { OPENAI_API_HOST } from "../app/const";
 
 export const OpenAIStream = async (model: OpenAIModel, systemPrompt: string, key: string, messages: Message[]) => {
-  const res = await fetch("https://api.openai.com/v1/chat/completions", {
+  const res = await fetch(`${OPENAI_API_HOST}/v1/chat/completions`, {
     headers: {
       "Content-Type": "application/json",
       Authorization: `Bearer ${key ? key : process.env.OPENAI_API_KEY}`