1. In the FoxESS app, open your avatar and choose User Profile.
  2. On the User tab, enter agent ID A697AE3C.
  3. Open the inverter and copy its serial number.
  4. In Gridkeeper, open Platform Integrations → FoxESS, enter that serial, and connect.
  5. Add the inverter and battery from Discovered Devices.

The connection stays inside FoxESS rate limits. A wholesale rule can miss the first part of a five-minute interval and still be the right trade for the day.