The delete index API allows to delete an existing index.
$ curl -XDELETE 'http://localhost:9200/twitter/'
The above example deletes an index called
The delete index API can also be applied to more than one index, or on
_all indices (be careful!). All indices will also be deleted when no
specific index is provided. In order to disable allowing to delete all
action.disable_delete_all_indices setting in the config