put https://sandbox1-api.unit21.com/v1//events//update
Update an event using the event_id from your platform.
Updating an event has no required fields. You MAY send any subset of the fields that the events/create endpoint accepts.
This endpoint requires the event_id which is a unique ID created by your organization to identify the event. The org_name is your Unit21 appointed organization name such as google or acme.
Note that you can also update an event using an upsert through /events/create.
Follow the links for more information: