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Required ACL: editSettings Don’t use this method to replace all synonyms in your production indices. Doing so causes a short downtime during which the index has no synonyms. Instead, use saveSynonyms with the replaceExistingSynonyms option to replace all synonyms without downtime.

Examples

Parameters

boolean
default:false
Whether to delete all synonyms from all replicas of the index.

Response

integer
The task ID used with the waitTask method.
string
Date at which the indexing job has been created.

Response as JSON

This section shows the JSON response returned by the API. Each API client wraps this response in language-specific objects, so the structure may vary. To view the response, use the getLogs method. Don’t rely on the order of properties—JSON objects don’t preserve key order.
JSON
Last modified on March 23, 2026