diff --git a/app/composables/useMessengerBotLink.ts b/app/composables/useMessengerBotLink.ts
new file mode 100644
index 0000000..f2b694a
--- /dev/null
+++ b/app/composables/useMessengerBotLink.ts
@@ -0,0 +1,10 @@
+export function buildMessengerBotStartUrl(baseUrl: string, email: string) {
+  const normalizedEmail = email.trim().toLowerCase();
+  if (!baseUrl || !normalizedEmail) {
+    return '';
+  }
+
+  const payload = encodeURIComponent(`login:${normalizedEmail}`);
+  const separator = baseUrl.includes('?') ? '&' : '?';
+  return `${baseUrl}${separator}start=${payload}`;
+}
diff --git a/app/pages/login.vue b/app/pages/login.vue
index 1c47948..ea9be48 100644
--- a/app/pages/login.vue
+++ b/app/pages/login.vue
@@ -5,6 +5,7 @@ import {
   RequestLoginCodeDocument,
   VerifyLoginCodeDocument,
 } from '~/composables/graphql/generated';
+import { buildMessengerBotStartUrl } from '~/composables/useMessengerBotLink';
 
 const config = useRuntimeConfig();
 const route = useRoute();
@@ -35,18 +36,12 @@ const maxBotUrl = computed(() => config.public.maxBotUrl || '');
 const normalizedEmail = computed(() => email.value.trim().toLowerCase());
 const isEmailReady = computed(() => /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(normalizedEmail.value));
 
-function buildBotLoginUrl(baseUrl: string) {
-  if (!isEmailReady.value || !baseUrl) {
-    return '';
-  }
-
-  const payload = encodeURIComponent(`login:${normalizedEmail.value}`);
-  const separator = baseUrl.includes('?') ? '&' : '?';
-  return `${baseUrl}${separator}start=${payload}`;
-}
-
-const telegramLoginUrl = computed(() => buildBotLoginUrl(telegramBotUrl.value));
-const maxLoginUrl = computed(() => buildBotLoginUrl(maxBotUrl.value));
+const telegramLoginUrl = computed(() =>
+  isEmailReady.value ? buildMessengerBotStartUrl(telegramBotUrl.value, normalizedEmail.value) : '',
+);
+const maxLoginUrl = computed(() =>
+  isEmailReady.value ? buildMessengerBotStartUrl(maxBotUrl.value, normalizedEmail.value) : '',
+);
 
 async function finalizeSession(accessToken: string) {
   authCookie.value = accessToken;
diff --git a/app/pages/notifications.vue b/app/pages/notifications.vue
index 559f479..6837b21 100644
--- a/app/pages/notifications.vue
+++ b/app/pages/notifications.vue
@@ -6,6 +6,7 @@ import {
   MyNotificationHistoryDocument,
   SendTestMessengerMessageDocument,
 } from '~/composables/graphql/generated';
+import { buildMessengerBotStartUrl } from '~/composables/useMessengerBotLink';
 
 const selectedChannel = ref<'TELEGRAM' | 'MAX'>('TELEGRAM');
 const customMessage = ref('Тест канала уведомлений Fregat');
@@ -55,9 +56,7 @@ function buildBotConnectUrl(baseUrl: string) {
     return '';
   }
 
-  const payload = encodeURIComponent(`login:${email}`);
-  const separator = baseUrl.includes('?') ? '&' : '?';
-  return `${baseUrl}${separator}start=${payload}`;
+  return buildMessengerBotStartUrl(baseUrl, email);
 }
 
 const telegramConnectUrl = computed(() => buildBotConnectUrl(config.public.telegramBotUrl || ''));
diff --git a/app/pages/profile.vue b/app/pages/profile.vue
index daebf8f..9297c0e 100644
--- a/app/pages/profile.vue
+++ b/app/pages/profile.vue
@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import { useMutation, useQuery } from '@vue/apollo-composable';
 import { MeDocument, MyMessengerConnectionsDocument, RegisterSelfDocument } from '~/composables/graphql/generated';
+import { buildMessengerBotStartUrl } from '~/composables/useMessengerBotLink';
 
 const companyName = ref('');
 const inn = ref('');
@@ -45,9 +46,7 @@ function buildBotConnectUrl(baseUrl: string) {
     return '';
   }
 
-  const payload = encodeURIComponent(`login:${accountEmail}`);
-  const separator = baseUrl.includes('?') ? '&' : '?';
-  return `${baseUrl}${separator}start=${payload}`;
+  return buildMessengerBotStartUrl(baseUrl, accountEmail);
 }
 
 const telegramConnectUrl = computed(() => buildBotConnectUrl(config.public.telegramBotUrl || ''));