elasticsearch/docs/reference/rest-api/security/clear-api-key-cache.asciidoc

[role="xpack"]
[[security-api-clear-api-key-cache]]
=== Clear API key cache API
++++
<titleabbrev>Clear API key cache</titleabbrev>
++++

Evicts a subset of all entries from the API key cache.
The cache is also automatically cleared on state changes of the security index.

[[security-api-clear-api-key-cache-request]]
==== {api-request-title}

`POST /_security/api_key/<ids>/_clear_cache`

[[security-api-clear-api-key-cache-prereqs]]
==== {api-prereq-title}

* To use this API, you must have at least the `manage_security` cluster
privilege.

[[security-api-clear-api-key-cache-desc]]
==== {api-description-title}

For more information about API keys, see <<security-api-create-api-key>>,
<<security-api-get-api-key>>, and <<security-api-invalidate-api-key>>.

[[security-api-clear-api-key-cache-path-params]]
==== {api-path-parms-title}

`<ids>`::
(Required, string)
Comma-separated list of API key IDs to evict from the API key cache. To evict
all API keys, use `*`. Does not support other wildcard patterns.

[[security-api-clear-api-key-cache-example]]
==== {api-examples-title}

The clear API key cache API evicts entries from the API key cache.
For example, to clear the entry of API key with ID `yVGMr3QByxdh1MSaicYx`.

[source,console]
--------------------------------------------------
POST /_security/api_key/yVGMr3QByxdh1MSaicYx/_clear_cache
--------------------------------------------------

Specify multiple API keys as a comma-separated list.

[source,console]
----
POST /_security/api_key/yVGMr3QByxdh1MSaicYx,YoiMaqREw0YVpjn40iMg/_clear_cache
----

To clear all entries from the API key cache, use `*`.

[source,console]
----
POST /_security/api_key/*/_clear_cache
----