diff --git a/Makefile b/Makefile
index 3cec53b0d..6378f5451 100644
--- a/Makefile
+++ b/Makefile
@@ -31,3 +31,11 @@ test-onprem: build
 		-e LABELBOX_TEST_API_KEY_ONPREM=${LABELBOX_TEST_API_KEY_ONPREM} \
 		-e LABELBOX_TEST_ONPREM_HOSTNAME=${LABELBOX_TEST_ONPREM_HOSTNAME} \
 		local/labelbox-python:test pytest $(PATH_TO_TEST) 
+
+test-custom: build
+	docker run -it -v ${PWD}:/usr/src -w /usr/src \
+		-e LABELBOX_TEST_ENVIRON="custom" \
+		-e DA_GCP_LABELBOX_API_KEY=${DA_GCP_LABELBOX_API_KEY} \
+		-e LABELBOX_TEST_API_KEY_CUSTOM=${LABELBOX_TEST_API_KEY_CUSTOM} \
+		-e LABELBOX_TEST_GRAPHQL_API_ENDPOINT=${LABELBOX_TEST_GRAPHQL_API_ENDPOINT} \
+		local/labelbox-python:test pytest $(PATH_TO_TEST) 		
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 72856ddc7..85e8dd1b6 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -25,6 +25,7 @@ class Environ(Enum):
     PROD = 'prod'
     STAGING = 'staging'
     ONPREM = 'onprem'
+    CUSTOM = 'custom'
 
 
 @pytest.fixture(scope="session")
@@ -52,6 +53,12 @@ def graphql_url(environ: str) -> str:
         if hostname is None:
             raise Exception(f"Missing LABELBOX_TEST_ONPREM_INSTANCE")
         return f"{hostname}/api/_gql"
+    elif environ == Environ.CUSTOM:
+        graphql_api_endpoint = os.environ.get(
+            'LABELBOX_TEST_GRAPHQL_API_ENDPOINT')
+        if graphql_api_endpoint is None:
+            raise Exception(f"Missing LABELBOX_TEST_GRAPHQL_API_ENDPOINT")
+        return graphql_api_endpoint
     return 'http://host.docker.internal:8080/graphql'
 
 
@@ -62,6 +69,8 @@ def testing_api_key(environ: str) -> str:
         return os.environ["LABELBOX_TEST_API_KEY_STAGING"]
     elif environ == Environ.ONPREM:
         return os.environ["LABELBOX_TEST_API_KEY_ONPREM"]
+    elif environ == Environ.CUSTOM:
+        return os.environ["LABELBOX_TEST_API_KEY_CUSTOM"]
     return os.environ["LABELBOX_TEST_API_KEY_LOCAL"]
 
 
diff --git a/tox.ini b/tox.ini
index 46c63ce1d..851fe652b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,5 +9,14 @@ deps =
     pytest < 7.0.0
     pytest-cases
     pytest-rerunfailures
-passenv = LABELBOX_TEST_API_KEY_PROD LABELBOX_TEST_API_KEY_STAGING LABELBOX_TEST_ENVIRON DA_GCP_LABELBOX_API_KEY
+passenv = 
+    LABELBOX_TEST_ENVIRON
+    LABELBOX_TEST_API_KEY_PROD 
+    LABELBOX_TEST_API_KEY_STAGING
+    LABELBOX_TEST_API_KEY_LOCAL
+    LABELBOX_TEST_API_KEY_ONPREM 
+    LABELBOX_TEST_API_KEY_CUSTOM     
+    LABELBOX_TEST_GRAPHQL_API_ENDPOINT     
+    DA_GCP_LABELBOX_API_KEY 
+
 commands = pytest {posargs}