diff --git a/.env.example b/.env.example
index e291cdc..5575e7b 100644
--- a/.env.example
+++ b/.env.example
@@ -89,4 +89,4 @@ GW2_WVW_COOLDOWN=20
 GW2_API_RETRY_MAX_ATTEMPTS=5
 GW2_API_RETRY_DELAY=3.0
 GW2_API_SESSION_RETRY_BG_DELAY=30.0
-GW2_API_SESSION_END_DELAY=120
+GW2_API_SESSION_END_DELAY=180
diff --git a/src/gw2/constants/gw2_settings.py b/src/gw2/constants/gw2_settings.py
index a68a69e..20dfc91 100644
--- a/src/gw2/constants/gw2_settings.py
+++ b/src/gw2/constants/gw2_settings.py
@@ -1,6 +1,6 @@
 from dotenv import load_dotenv
 from functools import lru_cache
-from pydantic import Field
+from pydantic import Field, model_validator
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
 # Lazy loading flag for dotenv
@@ -31,7 +31,13 @@ class Gw2Settings(BaseSettings):
     api_retry_max_attempts: int | None = Field(default=5)
     api_retry_delay: float | None = Field(default=3.0)
     api_session_retry_bg_delay: float | None = Field(default=30.0)
-    api_session_end_delay: float | None = Field(default=120.0)
+    api_session_end_delay: float | None = Field(default=180.0)
+
+    @model_validator(mode="after")
+    def _clamp_session_end_delay(self) -> Gw2Settings:
+        if self.api_session_end_delay is not None and self.api_session_end_delay < 180.0:
+            self.api_session_end_delay = 180.0
+        return self
 
 
 @lru_cache(maxsize=1)
diff --git a/tests/unit/gw2/constants/test_gw2_settings.py b/tests/unit/gw2/constants/test_gw2_settings.py
index c33f7d1..6e58af5 100644
--- a/tests/unit/gw2/constants/test_gw2_settings.py
+++ b/tests/unit/gw2/constants/test_gw2_settings.py
@@ -157,6 +157,27 @@ def test_large_values_are_preserved(self):
             assert settings.session_cooldown == 3600
             assert settings.account_cooldown == 86400
 
+    def test_session_end_delay_below_180_clamped(self):
+        """Test that api_session_end_delay below 180 is clamped to 180."""
+        env_vars = {"GW2_API_SESSION_END_DELAY": "60"}
+        with patch.dict(os.environ, env_vars, clear=True):
+            settings = Gw2Settings()
+            assert settings.api_session_end_delay == 180.0
+
+    def test_session_end_delay_at_180_preserved(self):
+        """Test that api_session_end_delay at exactly 180 is preserved."""
+        env_vars = {"GW2_API_SESSION_END_DELAY": "180"}
+        with patch.dict(os.environ, env_vars, clear=True):
+            settings = Gw2Settings()
+            assert settings.api_session_end_delay == 180.0
+
+    def test_session_end_delay_above_180_preserved(self):
+        """Test that api_session_end_delay above 180 is preserved."""
+        env_vars = {"GW2_API_SESSION_END_DELAY": "300"}
+        with patch.dict(os.environ, env_vars, clear=True):
+            settings = Gw2Settings()
+            assert settings.api_session_end_delay == 300.0
+
     def test_all_cooldown_fields_exist(self):
         """Test that all expected cooldown fields exist with correct types."""
         settings = Gw2Settings()