diff --git a/src/together/cli/api/endpoints.py b/src/together/cli/api/endpoints.py
index 271f864..3475689 100644
--- a/src/together/cli/api/endpoints.py
+++ b/src/together/cli/api/endpoints.py
@@ -348,8 +348,8 @@ def delete(client: Together, endpoint_id: str) -> None:
 @click.option(
     "--mine",
     type=click.BOOL,
-    default=None,
-    help="true (only mine), default=all",
+    default=True,
+    help="Show only endpoints owned by the caller (default: true)",
 )
 @click.option(
     "--usage-type",
@@ -363,11 +363,13 @@ def list(
     json: bool,
     type: Literal["dedicated", "serverless"] | None,
     usage_type: Literal["on-demand", "reserved"] | None,
-    mine: bool | None,
+    mine: bool,
 ) -> None:
     """List all inference endpoints (includes both dedicated and serverless endpoints)."""
+    # Convert False to None for API call (False means show all, not just mine)
+    mine_param = True if mine else None
     endpoints: List[ListEndpoint] = client.endpoints.list(
-        type=type, usage_type=usage_type, mine=mine
+        type=type, usage_type=usage_type, mine=mine_param
     )
 
     if not endpoints: