# Delete Tag

Launch stage: GA

`POST /api/2.0/mlflow/runs/delete-tag`

Deletes a tag on a run. Tags are run metadata that can be updated during a run and after
 a run completes.

API scopes: mlflow

## Request body

- `run_id` (string, optional)
  ID of the run that the tag was logged under. Must be provided.
- `key` (string, optional)
  Name of the tag. Maximum size is 255 bytes. Must be provided.

## Response

```json
{}
```