# Delete Email Campaign

DELETE /api/v2/projects/{projectId}/email-campaigns/{campaignId}

Permanently deletes a campaign and its messages. Only campaigns still in DRAFT can be deleted. Once a campaign has started sending it is rejected with 400, so delivery history is never destroyed this way. Cannot be undone.

## Request

- projectId: string, path, required — ID of the project that owns the campaign.
- campaignId: string, path, required — ID of the campaign to delete.

## Response

- 200: Successful response
  - message: string, required
- 400: Invalid input data
- 401: Authorization not provided
- 403: Insufficient access
- 404: Not found
- 500: Internal server error