# (NEW!) Delete Metadata Attribute Permanently delete a metadata attribute by its ID. Deletion is blocked if the attribute is currently referenced by any metadata group or template. This action is permanent and cannot be undone. The user submitting the request must have the Metadata Management admin privilege. Endpoint: DELETE /metadata/attribute/{id} Version: 1.5 Security: ApiKeyAuth, BasicAuth ## Header parameters: - `X-API-Key` (string, required) Customer-specific API key required to invoke API. - `Authorization` (string, required) Provided by Authentication Token creation operation. ## Path parameters: - `id` (string, required) The unique ID of the metadata attribute to delete. Example: "41fd8f16-19d9-46c3-a1c0-5ab9d8e198f2" ## Response 400 fields (application/json): - `message` (string) - `detail` (string) ## Response 401 fields (application/json): - `message` (string) - `detail` (string) ## Response 403 fields (application/json): - `message` (string) - `detail` (string) ## Response 404 fields (application/json): - `message` (string) - `detail` (string) ## Response 204 fields