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Index exists

Introduced 1.0

The index exists API operation returns whether or not an index already exists.

Example

HEAD /sample-index

Path and HTTP methods

HEAD /<index-name>

URL parameters

All parameters are optional.

Parameter Type Description
allow_no_indices Boolean Whether to ignore wildcards that don’t match any indices. Default is true.
expand_wildcards String Expands wildcard expressions to different indices. Combine multiple values with commas. Available values are all (match all indices), open (match open indices), closed (match closed indices), hidden (match hidden indices), and none (do not accept wildcard expressions). Default is open.
flat_settings Boolean Whether to return settings in the flat form, which can improve readability, especially for heavily nested settings. For example, the flat form of “index”: { “creation_date”: “123456789” } is “index.creation_date”: “123456789”.
include_defaults Boolean Whether to include default settings as part of the response. This parameter is useful for identifying the names and current values of settings you want to update.
ignore_unavailable Boolean If true, OpenSearch does not search for missing or closed indices. Default is false.
local Boolean Whether to return information from only the local node instead of from the master node. Default is false.

Response

The index exists API operation returns only one of two possible response codes: 200 – the index exists, and 404 – the index does not exist.

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