diff --git a/pennylane_ionq/api_client.py b/pennylane_ionq/api_client.py
index 08f9365..18065b7 100644
--- a/pennylane_ionq/api_client.py
+++ b/pennylane_ionq/api_client.py
@@ -116,7 +116,7 @@ class APIClient:
     HOSTNAME = "api.ionq.co/v0.1"
     BASE_URL = "https://{}".format(HOSTNAME)
 
-    def __init__(self, **kwargs):
+    def __init__(self, timeout_seconds=600, **kwargs):
         self.AUTHENTICATION_TOKEN = os.getenv("IONQ_API_KEY") or kwargs.get("api_key", None)
         self.DEBUG = False
 
@@ -130,7 +130,7 @@ def __init__(self, **kwargs):
         self.HEADERS = {"User-Agent": self.USER_AGENT}
 
         # Ten minute timeout on requests.
-        self.TIMEOUT_SECONDS = 60 * 10
+        self.TIMEOUT_SECONDS = timeout_seconds
 
         if self.AUTHENTICATION_TOKEN:
             self.set_authorization_header(self.AUTHENTICATION_TOKEN)
diff --git a/tests/test_api_client.py b/tests/test_api_client.py
index e30d8e8..e0014ee 100755
--- a/tests/test_api_client.py
+++ b/tests/test_api_client.py
@@ -190,6 +190,27 @@ def test_get(self, monkeypatch):
         mock_client.get.assert_called_once()
         manager.handle_response.assert_called_once_with(mock_response)
 
+    def test_timeout_setting(self, monkeypatch):
+        """
+        Test that the APIClient uses a custom timeout setting correctly for its requests.
+        """
+        custom_timeout = 1200  # Custom timeout in seconds
+        client = api_client.APIClient(api_key="test", timeout_seconds=custom_timeout)
+        assert (
+            client.TIMEOUT_SECONDS == custom_timeout
+        ), "The custom timeout should be set correctly."
+
+        # Mock the requests method to check if the custom timeout is being used
+        mock_request = MagicMock()
+        monkeypatch.setattr(requests, "get", mock_request)
+
+        client.get("https://example.com")
+        mock_request.assert_called_once()
+        _, kwargs = mock_request.call_args
+        assert (
+            kwargs["timeout"] == custom_timeout
+        ), "The custom timeout should be used in the request."
+
     def test_create_unsupported(self):
         """
         Test a POST (create) request with a resource that does not support that type or request.