I am trying insert an Activity object from an external telephony system after a call is made however I am not seeing an API to call the Activity Object.
Activity is an odd pseudo-object that represents the common core of fields shared between the
Activity is where you create custom fields in Setup that are available on both the
ActivityHistory is a read-only summary object.
You can't directly create either. Instead, create either a
Event (as appropriate; your use case sounds like a
Task). The system will handle building the