The Elasticsearch cat API

Think of the Elasticsearch cat API as a simpler version of the Elasticsearch Cluster and Indices APIs mentioned earlier. The cat API returns results in an easy-to-read, tab-separated format, unlike the JSON returned by the Cluster and Indices APIs.

A complete list of API methods is available at, but there are some highlights, which we cover in the following sections.


Elasticsearch-head and Bigdesk are, for the most part, powered by the Elasticsearch APIs:

These two APIs provide a plethora of information ...

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