Update app.py

app.py

@@ -628,5 +628,39 @@ def download_result(result_id):
         logger.error(f"Download error: {str(e)}")
         return jsonify({'error': str(e)}), 500
 
+@app.route('/', methods=['GET'])
+def home():
+    return jsonify({
+        'message': 'Data Analytics API is running!',
+        'version': '1.0.0',
+        'endpoints': {
+            'health': '/api/health',
+            'upload': '/api/upload',
+            'preview': '/api/preview/<file_id>',
+            'analyze': '/api/analyze',
+            'files': '/api/files/<session_id>',
+            'delete': '/api/file/<file_id>',
+            'download': '/api/download/<result_id>'
+        },
+        'timestamp': datetime.now().isoformat()
+    })
+
+@app.errorhandler(404)
+def not_found(error):
+    return jsonify({
+        'error': 'Endpoint not found',
+        'message': 'Please check the API documentation',
+        'available_endpoints': [
+            '/',
+            '/api/health',
+            '/api/upload',
+            '/api/preview/<file_id>',
+            '/api/analyze',
+            '/api/files/<session_id>',
+            '/api/file/<file_id>',
+            '/api/download/<result_id>'
+        ]
+    }), 404
+
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=7860, debug=False)
+    app.run(host='0.0.0.0', port=7860, debug=True)