/ cluster/

• GET /_cluster/settings
• /_cluster/settings?include_defaults
• /_cluster/health
• /_cluster/settings
• GET /_cluster/allocation/explain
• PUT /_cluster/settings

Related

• /_cat/indices
• /_cat/shards
• /_cat/allocation
• /_cat/plugins
• /_cat/recovery
• /_cat/snapshot
• /_cat/repositories
• /_cat/health
• /_cat/templates

• cluster.routing.allocation.disk.watermark.low
• cluster.routing.allocation.disk.watermark.high
• cluster.routing.allocation.disk.watermark.flood_stage

See also

• Elasticsearch: /_cat/, /_nodes/, /_cluster/, /_snapshot/, /_ilm/, /_xpack/, /_search/, /_security/, /my-index/, /_bulk
• Elasticsearch, installation, ELK, Elastic X-Pack, elasticsearch.yml, logs, ECK, Elasticsearch curl URLs, Elastisearch REST APIs, /_cat/, /_cluster/, /_xpack/, QueryShardException, Elasticsearch index, ELK backup and restore, elasticsearch-cli, Elasticsearch versions, ElasticSearch Snapshot Lifecycle Management (SLM), Low disk watermark, Elasticsearch storage, Elasticsearch users, Elasticsearch roles, search context, shards, Elastic Cloud, Elastic Licensing, ElasticSearch alerts

https://www.elastic.co/guide/en/elasticsearch/reference/current/cat-templates.html