diff --git a/src/app/api/seminar/open/route.tsx b/src/app/api/seminar/open/route.tsx
new file mode 100644
index 0000000..ee213fe
--- /dev/null
+++ b/src/app/api/seminar/open/route.tsx
@@ -0,0 +1,51 @@
+import { Client } from '@notionhq/client';
+import { NextRequest } from 'next/server';
+
+const notion = new Client({
+  auth: process.env.NOTION_SECRET_KEY,  
+});
+
+async function queryOpenSeminarData(databaseId: string): Promise<any[]> {
+  try {
+    const response = await notion.databases.query({
+      database_id: databaseId,
+      sorts: [
+        {
+          property: 'Date', 
+          direction: 'ascending' 
+        }
+      ]
+    });
+
+    return response.results;  
+  } catch (error) {
+    console.error('Error querying Notion database and fetching seminar data:', JSON.stringify(error));
+    throw error;  
+  }
+}
+
+type Data = {
+    items?: any[];
+    message: string;
+  };
+  
+  export async function GET(req: NextRequest) {
+    const databaseId = process.env.NOTION_OPEN_SEMINAR_DATABASE_ID || ''; 
+
+    try {
+      const data = await queryOpenSeminarData(databaseId);
+      return new Response(JSON.stringify({ data, message: 'Success' }), {
+        status: 200,
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      });
+    } catch (error) {
+      return new Response(JSON.stringify({ message: `Failed: ${error?.toString()}` }), {
+        status: 500,
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      });
+    }
+  }
\ No newline at end of file
diff --git a/src/app/api/seminar/route.tsx b/src/app/api/seminar/route.tsx
index bd6fa1f..e1b3b90 100644
--- a/src/app/api/seminar/route.tsx
+++ b/src/app/api/seminar/route.tsx
@@ -37,8 +37,19 @@ type Data = {
 };
 
 export async function GET(req: NextRequest) {
+  const url = new URL(req.url);
+  const tag = url.searchParams.get('Tag');  // 쿼리 파라미터에서 세미나 ID 가져오기
+
+  if (!tag) {
+    return new Response(JSON.stringify({ message: 'Tag is required' }), {
+      status: 400,
+      headers: {
+        'Content-Type': 'application/json',
+      },
+    });
+  }
+
   const databaseId = process.env.NOTION_SEMINAR_DATABASE_ID || ''; 
-  const tag = '🏕️ Camping Seminar'; 
 
   try {
     const data = await querySeminarData(databaseId, tag);
diff --git a/src/app/seminar/page.tsx b/src/app/seminar/page.tsx
index 001d04d..550affa 100644
--- a/src/app/seminar/page.tsx
+++ b/src/app/seminar/page.tsx
@@ -1,26 +1,39 @@
 import SeminarHeader from '@/components/seminar/header/SeminarHeader';
 import SeminarThumbnailList from '@/components/seminar/thumbnail/SeminarThumbnailList';
 import SeminarToggle from '@/components/seminar/toggle/SeminarToggle';
-import { refactorSeminarData } from '@/hooks/seminar/notionDataRefactor';
+import { refactorOpenSeminarData, refactorSeminarData } from '@/hooks/seminar/notionDataRefactor';
+import NotFoundPage from '../not-found';
 
 const SeminarPage = async () => {
   // seminar 데이터 가져오기
-  const seminarResponse = await fetch('http://localhost:3001/api/seminar');
+  const tag = '🏕️ Camping Seminar'
+  const seminarResponse = await fetch(`http://localhost:3001/api/seminar?Tag=${tag}`);
   const seminarList = await seminarResponse.json();
-
   const seminars = refactorSeminarData(seminarList.data || []);
 
+      // open seminar 데이터 가져오기
+      const openSeminarResponse = await fetch('http://localhost:3001/api/seminar/open');
+      const openSeminar = await openSeminarResponse.json();
+      const openSeminars = refactorOpenSeminarData(openSeminar.data || {});
+
+          // 세미나 데이터
+  if (!seminars) {
+    return <NotFoundPage />;
+  }
+      
   return <section className="flex justify-center">
   <div className="max-w-[1200px] desktop:px-10 tablet:px-10 px-4 bg-mono_black">
      <div className="w-full">
-{/* header */}
-<SeminarHeader />
+
+      {/* header */}
+<SeminarHeader openSeminars={openSeminars} />
 
 {/* toggle */}
-<SeminarToggle />
+<SeminarToggle openSeminars={openSeminars} />
 
 {/* seminar list */}
-<SeminarThumbnailList seminar={seminars} />
+<SeminarThumbnailList seminars={seminars} />
+
 <div className="h-[7.5rem]"></div>
   </div>
   </div>