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 https://www.elastic.co/blog/introducing-cat-api, 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 ...