diff --git a/backend/src/server.ts b/backend/src/server.ts
index 81daef0..0bbd515 100644
--- a/backend/src/server.ts
+++ b/backend/src/server.ts
@@ -66,6 +66,10 @@ app.get('/api-docs', async (_req, res, next) => {
     const html = swaggerUi.generateHTML(spec, {
       customCss: '.swagger-ui .topbar { display: none }',
       customSiteTitle: 'KIS API Builder - Документация',
+      swaggerOptions: {
+        persistAuthorization: true,  // Keep API key after page refresh
+        displayRequestDuration: true,
+      },
     });
     res.send(html);
   } catch (error) {