diff --git a/agents-api/agents_api/clients/temporal.py b/agents-api/agents_api/clients/temporal.py
index 77e246286..ddc6d0571 100644
--- a/agents-api/agents_api/clients/temporal.py
+++ b/agents-api/agents_api/clients/temporal.py
@@ -16,6 +16,7 @@
 from ..common.protocol.tasks import ExecutionInput
 from ..common.retry_policies import DEFAULT_RETRY_POLICY
 from ..env import (
+    temporal_api_key,
     temporal_client_cert,
     temporal_metrics_bind_host,
     temporal_metrics_bind_port,
@@ -33,18 +34,24 @@ async def get_client(
     data_converter=pydantic_data_converter,
 ):
     tls_config = False
+    rpc_metadata = {}
 
     if temporal_private_key and temporal_client_cert:
         tls_config = TLSConfig(
             client_cert=temporal_client_cert.encode(),
             client_private_key=temporal_private_key.encode(),
         )
+    elif temporal_api_key:
+        tls_config = True
+        rpc_metadata = {"temporal-namespace": namespace}
 
     return await Client.connect(
         worker_url,
         namespace=namespace,
         tls=tls_config,
         data_converter=data_converter,
+        api_key=temporal_api_key or None,
+        rpc_metadata=rpc_metadata,
     )
 
 
@@ -54,12 +61,16 @@ async def get_client_with_metrics(
     data_converter=pydantic_data_converter,
 ):
     tls_config = False
+    rpc_metadata = {}
 
     if temporal_private_key and temporal_client_cert:
         tls_config = TLSConfig(
             client_cert=temporal_client_cert.encode(),
             client_private_key=temporal_private_key.encode(),
         )
+    elif temporal_api_key:
+        tls_config = True
+        rpc_metadata = {"temporal-namespace": namespace}
 
     new_runtime = Runtime(
         telemetry=TelemetryConfig(
@@ -76,6 +87,8 @@ async def get_client_with_metrics(
         data_converter=data_converter,
         runtime=new_runtime,
         interceptors=[TracingInterceptor()],
+        api_key=temporal_api_key or None,
+        rpc_metadata=rpc_metadata,
     )
 
 
diff --git a/agents-api/agents_api/env.py b/agents-api/agents_api/env.py
index a5b37aaae..f81547d87 100644
--- a/agents-api/agents_api/env.py
+++ b/agents-api/agents_api/env.py
@@ -99,6 +99,7 @@
 temporal_namespace: str = env.str("TEMPORAL_NAMESPACE", default="default")
 temporal_client_cert: str = env.str("TEMPORAL_CLIENT_CERT", default=None)
 temporal_private_key: str = env.str("TEMPORAL_PRIVATE_KEY", default=None)
+temporal_api_key: str = env.str("TEMPORAL_API_KEY", default=None)
 temporal_endpoint: Any = env.str("TEMPORAL_ENDPOINT", default="localhost:7233")
 temporal_task_queue: Any = env.str("TEMPORAL_TASK_QUEUE", default="julep-task-queue")
 temporal_schedule_to_close_timeout: int = env.int(
diff --git a/agents-api/docker-compose.yml b/agents-api/docker-compose.yml
index 2116eafbc..d5f144565 100644
--- a/agents-api/docker-compose.yml
+++ b/agents-api/docker-compose.yml
@@ -19,6 +19,7 @@ x--shared-environment: &shared-environment
   TEMPORAL_NAMESPACE: ${TEMPORAL_NAMESPACE:-default}
   TEMPORAL_TASK_QUEUE: ${TEMPORAL_TASK_QUEUE:-julep-task-queue}
   TEMPORAL_WORKER_URL: ${TEMPORAL_WORKER_URL:-temporal:7233}
+  TEMPORAL_API_KEY: ${TEMPORAL_API_KEY:-}
   TEMPORAL_SCHEDULE_TO_CLOSE_TIMEOUT: ${TEMPORAL_SCHEDULE_TO_CLOSE_TIMEOUT:-3600}
   TEMPORAL_METRICS_BIND_HOST: ${TEMPORAL_METRICS_BIND_HOST:-0.0.0.0}
   TEMPORAL_METRICS_BIND_PORT: ${TEMPORAL_METRICS_BIND_PORT:-14000}