[[cat-alias]]
== cat aliases

`aliases` shows information about currently configured aliases to indices
including filter and routing infos.

[source,sh]
--------------------------------------------------
% curl '192.168.56.10:9200/_cat/aliases?v'
alias  index filter routing.index routing.search
alias2 test1 *      -            -
alias4 test1 -      2            1,2
alias1 test1 -      -            -
alias3 test1 -      1            1
--------------------------------------------------

The output shows that `alias` has configured a filter, and specific routing
configurations in `alias3` and `alias4`.

If you only want to get information about a single alias, you can specify
the alias in the URL, for example `/_cat/aliases/alias1`.