diff --git a/backend/bot/app/web/admin_settings_manifest.py b/backend/bot/app/web/admin_settings_manifest.py
index a4c4c57..76570b9 100644
--- a/backend/bot/app/web/admin_settings_manifest.py
+++ b/backend/bot/app/web/admin_settings_manifest.py
@@ -348,6 +348,16 @@ SETTINGS_MANIFEST: List[SettingField] = [
         "Английская версия текста на этапе оплаты.",
         subsection="checkout",
     ),
+    SettingField(
+        "PAYMENT_REQUEST_TIMEOUT_SECONDS",
+        "float",
+        "payments",
+        "Таймаут запроса к провайдеру",
+        "Максимальное общее время одного API-запроса к платёжному провайдеру, в секундах.",
+        optional=False,
+        min=1,
+        subsection="checkout",
+    ),
     # ─── Payment providers (toggles) ───────────────────────────────
     # Common
     SettingField("STARS_ENABLED", "bool", "payments", "Telegram Stars", subsection="common"),
diff --git a/backend/bot/payment_providers/freekassa.py b/backend/bot/payment_providers/freekassa.py
index 1d830a5..8212f1d 100644
--- a/backend/bot/payment_providers/freekassa.py
+++ b/backend/bot/payment_providers/freekassa.py
@@ -153,7 +153,7 @@ class FreeKassaService(HttpClientMixin):
         self.default_currency: str = default_payment_currency_code_for_settings(settings).upper()
 
         self.api_base_url: str = "https://api.fk.life/v1"
-        self._init_http_client(total_timeout=15)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         self._nonce_lock = asyncio.Lock()
         self._last_nonce = int(time.time() * 1000)
 
diff --git a/backend/bot/payment_providers/heleket.py b/backend/bot/payment_providers/heleket.py
index 5faa786..f11bed5 100644
--- a/backend/bot/payment_providers/heleket.py
+++ b/backend/bot/payment_providers/heleket.py
@@ -243,7 +243,7 @@ class HeleketService(HttpClientMixin):
         self.referral_service = referral_service
         self._default_return_url = default_return_url
 
-        self._init_http_client(total_timeout=20)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         if not self.configured:
             logging.warning(
                 "HeleketService initialized but not fully configured. Payments disabled."
diff --git a/backend/bot/payment_providers/paykilla.py b/backend/bot/payment_providers/paykilla.py
index 7917d83..0242f6e 100644
--- a/backend/bot/payment_providers/paykilla.py
+++ b/backend/bot/payment_providers/paykilla.py
@@ -369,7 +369,7 @@ class PaykillaService(HttpClientMixin):
         self.referral_service = referral_service
         self._default_return_url = default_return_url
 
-        self._init_http_client(total_timeout=20)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         if not self.configured:
             logging.warning(
                 "PaykillaService initialized but not fully configured. Payments disabled."
diff --git a/backend/bot/payment_providers/platega.py b/backend/bot/payment_providers/platega.py
index 879d643..a05ffe2 100644
--- a/backend/bot/payment_providers/platega.py
+++ b/backend/bot/payment_providers/platega.py
@@ -157,7 +157,7 @@ class PlategaService(HttpClientMixin):
         self.referral_service = referral_service
         self._default_return_url = default_return_url
 
-        self._init_http_client(total_timeout=60)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         if not self.configured:
             logging.warning(
                 "PlategaService initialized but not fully configured. Payments disabled."
diff --git a/backend/bot/payment_providers/severpay.py b/backend/bot/payment_providers/severpay.py
index 2822e4a..92fd910 100644
--- a/backend/bot/payment_providers/severpay.py
+++ b/backend/bot/payment_providers/severpay.py
@@ -136,7 +136,7 @@ class SeverPayService(HttpClientMixin):
         self.referral_service = referral_service
         self._default_return_url = default_return_url
 
-        self._init_http_client(total_timeout=15)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
 
         if not self.configured:
             logging.warning(
diff --git a/backend/bot/payment_providers/wata.py b/backend/bot/payment_providers/wata.py
index 3d0109e..4c4e2ec 100644
--- a/backend/bot/payment_providers/wata.py
+++ b/backend/bot/payment_providers/wata.py
@@ -206,7 +206,7 @@ class WataService(HttpClientMixin):
         self._default_return_url = default_return_url
         self._cached_public_key_pem = None  # populated by webhook on first verify
 
-        self._init_http_client(total_timeout=10)
+        self._init_http_client(total_timeout=self.settings.PAYMENT_REQUEST_TIMEOUT_SECONDS)
         if not self.configured:
             logging.warning("WataService initialized but not fully configured. Payments disabled.")
 
diff --git a/backend/config/settings.py b/backend/config/settings.py
index 43795a3..7568d55 100644
--- a/backend/config/settings.py
+++ b/backend/config/settings.py
@@ -319,6 +319,11 @@ class Settings(BaseSettings):
         default=DEFAULT_SUBSCRIPTION_PURCHASE_DESCRIPTION_EN,
         description="English subscription description shown before purchase/renewal options.",
     )
+    PAYMENT_REQUEST_TIMEOUT_SECONDS: float = Field(
+        default=20,
+        ge=1,
+        description="Maximum total time for one payment provider API request, in seconds.",
+    )
 
     MONTH_1_ENABLED: bool = Field(default=True, alias="1_MONTH_ENABLED")
     MONTH_3_ENABLED: bool = Field(default=True, alias="3_MONTHS_ENABLED")
diff --git a/docs/configuration/env-vars.md b/docs/configuration/env-vars.md
index 6bea97d..3f93d9d 100644
--- a/docs/configuration/env-vars.md
+++ b/docs/configuration/env-vars.md
@@ -200,6 +200,7 @@
 | `PAYMENT_METHODS_ORDER` | Порядок кнопок оплаты: `severpay,wata,freekassa,platega,yookassa,stars,cryptopay,heleket,paykilla`. |
 | `SUBSCRIPTION_PURCHASE_DESCRIPTION_ENABLED` | Показывать описание подписки перед выбором срока. |
 | `SUBSCRIPTION_PURCHASE_DESCRIPTION_RU` / `SUBSCRIPTION_PURCHASE_DESCRIPTION_EN` | Локализованное описание подписки. |
+| `PAYMENT_REQUEST_TIMEOUT_SECONDS` | Общий таймаут одного API-запроса к платёжному провайдеру, в секундах. По умолчанию `20`. |
 | `PAYMENT_<METHOD>_WEBAPP_LABEL_RU` / `PAYMENT_<METHOD>_WEBAPP_LABEL_EN` | Текст кнопки провайдера в Web App. |
 | `PAYMENT_<METHOD>_WEBAPP_ICON` | Lucide-иконка кнопки в Web App. |
 | `PAYMENT_<METHOD>_TELEGRAM_LABEL_RU` / `PAYMENT_<METHOD>_TELEGRAM_LABEL_EN` | Текст кнопки в Telegram. |
diff --git a/frontend/src/lib/webapp/settingsManifest.generated.json b/frontend/src/lib/webapp/settingsManifest.generated.json
index 36ac6d3..00ef193 100644
--- a/frontend/src/lib/webapp/settingsManifest.generated.json
+++ b/frontend/src/lib/webapp/settingsManifest.generated.json
@@ -603,6 +603,26 @@
         "overridden": false,
         "updated_at": null
       },
+      {
+        "key": "PAYMENT_REQUEST_TIMEOUT_SECONDS",
+        "type": "float",
+        "section": "payments",
+        "section_order": 4,
+        "subsection": "checkout",
+        "label": "Таймаут запроса к провайдеру",
+        "description": "Максимальное общее время одного API-запроса к платёжному провайдеру, в секундах.",
+        "i18n_label_key": "admin_settings_field_payment_request_timeout_seconds_label",
+        "i18n_description_key": "admin_settings_field_payment_request_timeout_seconds_description",
+        "i18n_subsection_key": "admin_settings_subsection_checkout",
+        "i18n_placeholder_key": null,
+        "placeholder": "",
+        "optional": false,
+        "secret": false,
+        "min": 1,
+        "value": "",
+        "overridden": false,
+        "updated_at": null
+      },
       {
         "key": "STARS_ENABLED",
         "type": "bool",
diff --git a/locales/en.json b/locales/en.json
index f234711..cd94f0d 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -1170,6 +1170,7 @@
   "admin_settings_subsection_cryptopay": "CryptoPay",
   "admin_settings_subsection_wata": "Wata",
   "admin_settings_subsection_heleket": "Heleket",
+  "admin_settings_subsection_paykilla": "PayKilla",
   "admin_settings_provider_webhook_url": "Webhook URL",
   "admin_settings_provider_webhook_url_hint": "Use this URL in the provider webhook settings.",
   "admin_settings_panel_webhook_url_hint": "Use this URL as WEBHOOK_URL in Remnawave Panel.",
@@ -1676,6 +1677,8 @@
   "admin_settings_field_subscription_purchase_description_ru_description": "Russian text shown during checkout.",
   "admin_settings_field_subscription_purchase_description_en_label": "Subscription description (EN)",
   "admin_settings_field_subscription_purchase_description_en_description": "English text shown during checkout.",
+  "admin_settings_field_payment_request_timeout_seconds_label": "Payment provider request timeout",
+  "admin_settings_field_payment_request_timeout_seconds_description": "Maximum total time for one payment provider API request, in seconds.",
   "admin_settings_field_stars_enabled_label": "Stars Enabled",
   "admin_settings_field_yookassa_enabled_label": "YooKassa Enabled",
   "admin_settings_field_yookassa_shop_id_label": "YooKassa Shop ID",
diff --git a/locales/ru.json b/locales/ru.json
index 6900916..ecacb52 100644
--- a/locales/ru.json
+++ b/locales/ru.json
@@ -1170,6 +1170,7 @@
   "admin_settings_subsection_cryptopay": "CryptoPay",
   "admin_settings_subsection_wata": "Wata",
   "admin_settings_subsection_heleket": "Heleket",
+  "admin_settings_subsection_paykilla": "PayKilla",
   "admin_settings_provider_webhook_url": "Webhook URL",
   "admin_settings_provider_webhook_url_hint": "Укажите этот адрес в настройках вебхуков провайдера.",
   "admin_settings_panel_webhook_url_hint": "Укажите этот адрес как WEBHOOK_URL в Remnawave Panel.",
@@ -1676,6 +1677,8 @@
   "admin_settings_field_subscription_purchase_description_ru_description": "Русская версия текста на этапе оплаты.",
   "admin_settings_field_subscription_purchase_description_en_label": "Описание подписки (EN)",
   "admin_settings_field_subscription_purchase_description_en_description": "Английская версия текста на этапе оплаты.",
+  "admin_settings_field_payment_request_timeout_seconds_label": "Таймаут запроса к провайдеру",
+  "admin_settings_field_payment_request_timeout_seconds_description": "Максимальное общее время одного API-запроса к платёжному провайдеру, в секундах.",
   "admin_settings_field_stars_enabled_label": "Telegram Stars",
   "admin_settings_field_yookassa_enabled_label": "Включена",
   "admin_settings_field_yookassa_shop_id_label": "Shop ID",
diff --git a/tests/test_admin_settings_manifest_i18n.py b/tests/test_admin_settings_manifest_i18n.py
index 1228bcd..fed24a5 100644
--- a/tests/test_admin_settings_manifest_i18n.py
+++ b/tests/test_admin_settings_manifest_i18n.py
@@ -24,6 +24,7 @@ SUBSCRIPTION_PURCHASE_DESCRIPTION_SETTINGS = (
     "SUBSCRIPTION_PURCHASE_DESCRIPTION_ENABLED",
     "SUBSCRIPTION_PURCHASE_DESCRIPTION_RU",
     "SUBSCRIPTION_PURCHASE_DESCRIPTION_EN",
+    "PAYMENT_REQUEST_TIMEOUT_SECONDS",
 )
 
 SUBSCRIPTION_GUIDE_SETTINGS = (
@@ -177,6 +178,11 @@ def test_support_settings_i18n_keys_exist_in_admin_locales():
 def test_subscription_purchase_description_settings_i18n_keys_exist():
     manifest = _manifest_by_key()
 
+    timeout_field = manifest["PAYMENT_REQUEST_TIMEOUT_SECONDS"]
+    assert timeout_field["type"] == "float"
+    assert timeout_field["optional"] is False
+    assert timeout_field["min"] == 1
+
     for language in ("ru", "en"):
         messages = _locale(language)
         for setting_key in SUBSCRIPTION_PURCHASE_DESCRIPTION_SETTINGS: