Cancel Scheduled Email

Cancel a scheduled email transmission before it is sent. Once the scheduled delivery time has passed, the transmission can no longer be cancelled.

DELETE /emails/scheduled/{transmissionId}

Cancel Scheduled Email

cURL

curl --request DELETE \
  --url https://app.lettr.com/api/emails/scheduled/{transmissionId} \
  --header 'Authorization: Bearer <token>'

200

Example

{
  "message": "Scheduled transmission cancelled successfully."
}

Cancel a scheduled email transmission before it is sent. Once the scheduled delivery time has passed, the transmission can no longer be cancelled.

Authorizations

Authorization · string · header · required

API key for authentication

Path Parameters

transmissionId · string · required

The transmission ID returned when the email was scheduled.

Example:

"12345678901234567890"

Response

200

application/json

Scheduled transmission cancelled successfully