добавил везде /

src/components/ModalRequestForm/ModalRequestForm.tsx

@@ -70,7 +70,7 @@ const ModalRequestForm: React.FC<Props> = ({ open, onClose }) => {
       ...data,
     };
 
-    const response = await client.post<{ success: boolean }>("/email", payload);
+    const response = await client.post<{ success: boolean }>("/email/", payload);
     
     return response.data.success;
   } catch (error) {