If you’d like to cancel a broadcast from being sent, you can do so using the broadcast’s broadcast_id. Please note you can also cancel broadcasts in the Platform.

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Caution

Once a broadcast is canceled, it cannot be sent or updated.

Response

If the broadcast_id cannot be found, a 404 - NOT FOUND error will be returned.

A 403 - FORBIDDEN status code will be returned if the broadcast cannot be canceled because it has already been sent.