Described herein are systems and methods for three phase exception handling ensuring high availability of services. Via unified application program interface (API), one or more inspector instances are observing the behavior one or more services. The three phase exception handling is triggered upon observing an abnormal service behavior. Phase one comprises executing one or more commands from the unified API by the one or more inspector instances in attempt to resolve the abnormal service behavior and notifying a centralized inspector engine. Phase two comprises executing one or more predefined rules according to the current service state by the centralized inspector engine in attempt to resolve the abnormal service behavior and notifying an administrator. Phase three comprises abnormal service behavior analysis by the administrator and executing customized by the administrator rules to resolve the abnormal service behavior.