Cannot add my Ecobee to SmartThings (Invalid_Token error)

[jkp]

There is a FREE 3rd party app you can try…

[OBSOLETE] Universal Ecobee Suite for SmartThings & Hubitat (Free)

BETA COMPLETE Universal Ecobee Suite, version 1.7.00 has been released as of Friday, May 17, 2019 Please see here for the latest information Highlights Single code base supporting both SmartThings and Hubitat The most significant changes in the latest release include: NEW in 1.7.00k New setEcobeeSetting( name, value ) command. Allows programmatically changing most (but not all) documented Ecobee Settings. Arguments generally are Strings, but temperature values can also be a Number or a BigDecimal in either F or C based on your locale. Read Only settings cannot be changed, and some settings can only be changed using the supplied commands (e.g., use setHumiditySetpoint(setpoint) instead of setEcobeeSetting(humidity) - required for internal consistency). Use device.currentValue('settingN…