--
:api: indices-exists
:request: GetIndexRequest
:response: boolean
--

[id="{upid}-{api}"]
=== Index Exists API

[id="{upid}-{api}-request"]
==== Index Exists Request

The high-level REST client uses a +{request}+ for Index Exists API. The index name (or indices' names) are required.

["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request]
--------------------------------------------------
<1> Index

[[java-rest-high-indices-exists-optional-args]]
==== Optional arguments
Index exists API also accepts following optional arguments, through a +{request}+:

["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request-optionals]
--------------------------------------------------
<1> Whether to return local information or retrieve the state from master node
<2> Return result in a format suitable for humans
<3> Whether to return all default setting for each of the indices
<4> Controls how unavailable indices are resolved and how wildcard expressions are expanded

include::../execution.asciidoc[]

[id="{upid}-{api}-response"]
==== Response
The response is a +{response}+ value, indicating whether the index (or indices) exist.