/ cat/

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

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

• /_cat/
• /_nodes/
• /_cluster/
• /_snapshot/
• /_ilm/
• /_xpack/
• /_search/
• /_security/
• /_bulk/

Related

• Elasticsearch curl URLs
• /_snapshot
• /_cluster/settings
• OpenSearch
• Elastisearch REST APIs
• /_cat/shards
• /yourindexname/_search?pretty=true&q=*:*
• POST / snapshot/repo/snapshot/ restore

See also

• Elasticsearch troubleshooting, Elasticsearch logs, yellow, Low disk watermark, in-memory shard lock, re-running
• Elasticsearch: /_cat/, /_nodes/, /_cluster/, /_snapshot/, /_ilm/, /_xpack/, /_search/, /_security/, /my-index/, /_bulk

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