# Signoff

Unsubscribes a contact via the API key and prevents further communication.

Endpoint: POST /subscriber/signoff
Version: 1.0.0

## Request fields (application/json):

  - `apikey` (string, required)
    API key
    Example: "{{api_key}}"

  - `email` (string, required)
    Email address of the subscriber
    Example: "alex.example@klicktipp.example"