{"status":"ok","api_version":"1.0.0","endpoints":{"regions":"/api/v1/regions","forecast":"/api/v1/demand/forecast","history":"/api/v1/demand/history","latest":"/api/v1/demand/latest","accuracy":"/api/v1/demand/accuracy","health":"/api/v1/health"},"model":"gramm-v22","model_version":"unknown","last_forecast_run":"2026-06-22T02:15:46.614815+00:00","last_forecast_age_seconds":15,"active_grids":7,"supported_regions":["CAISO","PJM","ERCOT","MISO","NYISO","ISONE","SPP"],"timestamp":"2026-06-22T02:16:02.529Z"}