diff --git a/src/api/customApi.ts b/src/api/customApi.ts
deleted file mode 100644
index 65fcccf..0000000
--- a/src/api/customApi.ts
+++ /dev/null
@@ -1,67 +0,0 @@
-import { ConfigInterface, MessageInterface } from '@type/chat';
-
-export const endpoint = 'https://api.openai.com/v1/chat/completions';
-
-export const validateApiKey = async (apiKey: string) => {
-  try {
-    const response = await fetch(endpoint, {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json',
-        Authorization: `Bearer ${apiKey}`,
-      },
-    });
-    const data = await response.json();
-
-    if (response.status === 401) return false;
-    else if (response.status === 400) return true;
-  } catch (error) {
-    console.error('Error:', error);
-    return false;
-  }
-};
-
-export const getChatCompletion = async (
-  apiKey: string,
-  messages: MessageInterface[],
-  config: ConfigInterface
-) => {
-  const response = await fetch(endpoint, {
-    method: 'POST',
-    headers: {
-      'Content-Type': 'application/json',
-      Authorization: `Bearer ${apiKey}`,
-    },
-    body: JSON.stringify({
-      messages,
-      ...config,
-    }),
-  });
-  if (!response.ok) throw new Error(await response.text());
-
-  const data = await response.json();
-  return data;
-};
-
-export const getChatCompletionStream = async (
-  apiKey: string,
-  messages: MessageInterface[],
-  config: ConfigInterface
-) => {
-  const response = await fetch(endpoint, {
-    method: 'POST',
-    headers: {
-      'Content-Type': 'application/json',
-      Authorization: `Bearer ${apiKey}`,
-    },
-    body: JSON.stringify({
-      messages,
-      ...config,
-      stream: true,
-    }),
-  });
-  if (!response.ok) throw new Error(await response.text());
-
-  const stream = response.body;
-  return stream;
-};