diff --git a/polyapi/cli.py b/polyapi/cli.py
index 4027463..66dd234 100644
--- a/polyapi/cli.py
+++ b/polyapi/cli.py
@@ -28,6 +28,7 @@ def execute_from_cli() -> None:
     parser.add_argument("--server", action="store_true", help="Pass --server when adding function to add a server function.")
     parser.add_argument("--logs", action="store_true", help="Pass --logs when adding function if you want to store and see the function logs.")
     parser.add_argument("--skip-generate", action="store_true", help="Pass --skip-generate to skip generating the library after adding a function.")
+    parser.add_argument("--execution-api-key", required=False, default="", help="API key for execution (for server functions only).")
     parser.add_argument("command", choices=CLI_COMMANDS)
     parser.add_argument("subcommands", nargs="*")
     args = parser.parse_args()
@@ -59,4 +60,13 @@ def execute_from_cli() -> None:
         if args.subcommands[0] == "execute":
             print(function_execute(args.context, args.subcommands))
         else:
-            function_add_or_update(args.context, args.description, args.client, args.server, args.logs, args.subcommands, not args.skip_generate)
+            function_add_or_update(
+                context=args.context,
+                description=args.description,
+                client=args.client,
+                server=args.server,
+                logs_enabled=args.logs,
+                subcommands=args.subcommands,
+                generate=not args.skip_generate,
+                execution_api_key=args.execution_api_key
+            )
diff --git a/polyapi/function_cli.py b/polyapi/function_cli.py
index c6ec54d..15e5f7b 100644
--- a/polyapi/function_cli.py
+++ b/polyapi/function_cli.py
@@ -208,6 +208,7 @@ def function_add_or_update(
     logs_enabled: bool,
     subcommands: List,
     generate: bool = True,
+    execution_api_key: str = ""
 ):
     parser = argparse.ArgumentParser()
     parser.add_argument("subcommand", choices=["add"])
@@ -256,6 +257,10 @@ def function_add_or_update(
     assert api_key
     if server:
         url = f"{api_url}/functions/server"
+
+        if execution_api_key:
+            data["executionApiKey"] = execution_api_key
+
     elif client:
         url = f"{api_url}/functions/client"
     else:
diff --git a/pyproject.toml b/pyproject.toml
index 33a89f6..3969c19 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools>=61.2", "wheel"]
 
 [project]
 name = "polyapi-python"
-version = "0.2.9"
+version = "0.3.0"
 description = "The Python Client for PolyAPI, the IPaaS by Developers for Developers"
 authors = [{ name = "Dan Fellin", email = "dan@polyapi.io" }]
 dependencies = [