REST API GuidecampaignsDelete campaignDelete campaign DELETE /campaigns/:ID Permanently delete an existing campaign by ID. Requires writable campaigns permission. Request Responses204401403404409412500Successful Deletion (No Content)UnauthorizedResponse HeadersWWW-AuthenticatePreferred authentication scheme (RFC 7235)ForbiddenNot FoundNot Deletable (Conflict)Non-matching ETag (Precondition Failed)Runtime Error (Internal Server Error)