diff --git a/pkg/pare/cli/deploy.py b/pkg/pare/cli/deploy.py
index c80a889..9633fbd 100644
--- a/pkg/pare/cli/deploy.py
+++ b/pkg/pare/cli/deploy.py
@@ -24,22 +24,15 @@ def __init__(
         self,
         file_paths: list[str],
         environment_variables: dict[str, str] | None = None,
-        deploy_url: str | None = None,
-        api_key: str | None = None,
     ) -> None:
         self.file_paths = {Path(file_path) for file_path in file_paths}
         self.environment_variables = environment_variables or {}
-        self.deploy_url = deploy_url or (
-            f"{settings.PARE_API_URL}/{settings.PARE_API_VERSION}{settings.PARE_API_DEPLOY_URL_PATH}"
-        )
-        self.api_key = api_key or settings.PARE_API_KEY
-        self.git_hash = get_current_git_hash()
+        self.deploy_url = f"{settings.PARE_API_URL}/{settings.PARE_API_VERSION}{settings.PARE_API_DEPLOY_URL_PATH}"
 
     @property
     def headers(self) -> dict[str, str]:
         return {
-            settings.PARE_API_KEY_HEADER: self.api_key,
-            settings.PARE_ATOMIC_DEPLOYMENT_HEADER: self.git_hash,
+            settings.PARE_API_KEY_HEADER: settings.PARE_API_KEY,
         }
 
     def validate_file_paths(self) -> None:
@@ -126,7 +119,7 @@ def deploy(self):
         self.validate_file_paths()
         services = self.register_services()
         deploy_config = DeployConfig(
-            git_hash=self.git_hash,
+            git_hash=get_current_git_hash(),
             python_version=PYTHON_VERSION,
             services=services,
             environment_variables=self.environment_variables,
diff --git a/pkg/pare/client.py b/pkg/pare/client.py
index 2d42332..795acf1 100644
--- a/pkg/pare/client.py
+++ b/pkg/pare/client.py
@@ -33,3 +33,10 @@ def get_current_git_hash() -> str:
     except subprocess.CalledProcessError:
         log_error("Pare failed to get the current git hash.")
         sys.exit(1)
+
+
+def get_client_headers() -> dict[str, str]:
+    headers = {settings.PARE_API_KEY_HEADER: settings.PARE_API_KEY}
+    if settings.PARE_ATOMIC_DEPLOYMENT_ENABLED:
+        headers[settings.PARE_ATOMIC_DEPLOYMENT_HEADER] = get_current_git_hash()
+    return headers
diff --git a/pkg/pare/sdk/main.py b/pkg/pare/sdk/main.py
index f27bb63..1c2598b 100644
--- a/pkg/pare/sdk/main.py
+++ b/pkg/pare/sdk/main.py
@@ -9,7 +9,7 @@
 from typing_extensions import ParamSpec
 
 from pare import errors, settings
-from pare.client import get_current_git_hash
+from pare.client import get_client_headers
 from pare.models import ServiceRegistration
 
 
@@ -23,10 +23,7 @@ def invoke_endpoint(function_name: str, arguments: RemoteInvocationArguments) ->
     try:
         response = requests.post(
             f"{settings.PARE_API_URL}/{settings.PARE_API_VERSION}{settings.PARE_API_INVOKE_URL_PATH}{function_name}/",
-            headers={
-                settings.PARE_API_KEY_HEADER: settings.PARE_API_KEY,
-                settings.PARE_ATOMIC_DEPLOYMENT_HEADER: get_current_git_hash(),
-            },
+            headers=get_client_headers(),
             json=json.dumps(asdict(arguments)),
         )
         response.raise_for_status()
@@ -48,10 +45,7 @@ async def async_invoke_endpoint(
         try:
             async with session.post(
                 f"{settings.PARE_API_URL}/{settings.PARE_API_VERSION}/invoke/{function_name}/",
-                headers={
-                    settings.PARE_API_KEY_HEADER: settings.PARE_API_KEY,
-                    settings.PARE_ATOMIC_DEPLOYMENT_HEADER: get_current_git_hash(),
-                },
+                headers=get_client_headers(),
                 json=json.dumps(asdict(arguments)),
             ) as response:
                 response.raise_for_status()
diff --git a/pkg/pare/settings.py b/pkg/pare/settings.py
index 22cc0f1..1fbfd2b 100644
--- a/pkg/pare/settings.py
+++ b/pkg/pare/settings.py
@@ -24,11 +24,12 @@
         PARE_API_KEY = pare_api_key_path.read_text()
 
 PARE_API_KEY_HEADER: str = env.str("PARE_API_KEY_HEADER", "X-Pare-API-Key")
+
+
+PARE_ATOMIC_DEPLOYMENT_ENABLED: bool = env.bool("PARE_ATOMIC_DEPLOYMENT_ENABLED", False)
 PARE_ATOMIC_DEPLOYMENT_HEADER: str = env.str(
     "PARE_ATOMIC_DEPLOYMENT_HEADER", "X-Pare-Atomic-Deployment"
 )
-
-
 PARE_GIT_HASH: str = env.str("PARE_GIT_HASH", "")
 
 _KNOWN_GIT_HASH_ENV_VARS = [