No IBKR passwords are stored in the cloud. IBKR Gateway/TWS stays on the customer machine. Apex Relay sends read-only outbound snapshots.
127.0.0.1.APEX_CLOUD_ENDPOINT, APEX_WORKSPACE_ID and APEX_RELAY_KEY.APEX_RELAY_INCLUDE_PRIVATE_BROKER=1.Apex Relay is read-only in MVP. Cloud order execution is disabled. Never use Scott demo broker data as customer seed data.