Skip to main content

Release Notes

This section documents changes made to the Bosch Connect-Key K40RF and Buderus MX400 with Local API:

March 2026 - v14.00.01​

  • New Supported resources for HEMS Role:
    • /system/basicInfo
    • /holidayMode/activeModes
    • /system/awayMode/enabled
    • /heatingCircuits/hcX/temperatureLevels/comfort2
    • /heatingCircuits/hcX/temperatureLevels/eco
    • /heatingCircuits/hcX/switchPrograms/A
    • /dhwCircuits/dhwX/temperatureLevels/eco
    • /dhwCircuits/dhw1/ecoStop
    • /dhwCircuits/dhwX/temperatureLevels/low
    • /dhwCircuits/dhw1/lowStop
    • /dhwCircuits/dhwX/temperatureLevels/high
    • /dhwCircuits/dhw1/highStop
  • New Supported resources for Service Role:
    • /system/basicInfo
    • /system/dateTime
    • /holidayMode/activeModes
    • /system/awayMode/enabled
    • /heatSources/hsX/brineCircuit/collectorInflowTemp
    • /heatSources/hsX/brineCircuit/collectorOutflowTemp
    • /heatSources/hsX/brineCircuit/pumpSpeed
    • /heatingCircuits/hcX/heatCoolMode
    • /system/powerGuard/active
    • /system/eebus/status
    • /system/powerLimitation/active
    • /heatingCircuits/hc1/pumpSpeed
    • /heatingCircuits/hcX/heatingType
    • /heatingCircuits/hcX/pumpStatus
    • /heatingCircuits/hcX/mixedMode
    • /dhwCircuits/dhwX/temperatureLevels/eco
    • /dhwCircuits/dhw1/ecoStop
    • /dhwCircuits/dhwX/chargeRemainingTime

November 2025 - v13.00.02​

  • Minor updates

October 2025 - v13.00.01​

  • Change on port 8443 for API requests: Requests will be dropped (no response send) if no token was provided yet
  • Support for Power Limitation according to §14a of German Energy Industry Act (EnWG) for HEMS role:
    • /system/powerLimitation
    • /system/powerLimitation/setpoint
  • New supported resources for HEMS Role:
    • /heatSources/emon/chConsumption
    • /heatSources/emon/dhwConsumption
    • /heatSources/emon/coolingConsumption
  • New supported resources for Service Role:
    • /heatSources/systemPressure
    • /heatSources/systemPressureRange
    • /dhwCircuits/dhwX/temperatureLevels/high
    • /heatingCircuits/hcX/roomTempOffset
    • /heatingCircuits/hcX/heatCurve/roomInfluence
    • /heatingCircuits/hcX/maxFlowTemp
    • /heatingCircuits/hcX/heatingType
    • /heatSources/additionalHeater/blocked

May 2025 - v12.02.02​

  • Minor updates

March 2025 - v12.01.01​

  • Initial release with Local API