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Version history

Last Updated: Sep 09, 2021

  • The latest version of the OpenSearch API is V3.
Release date Description Status
2017-04-14 OpenSearch API V3 is released. OpenSearch API V3 optimizes OpenSearch API V2 to enhance query performance, and provides RESTful API operations that are easier to use. We recommend that you use OpenSearch API V3.
2014-01-01 OpenSearch API V2 is released. OpenSearch API V2 optimizes OpenSearch API V1 to enhance query performance. Stable. We recommend that you update to OpenSearch API V3.
2013-01-01 OpenSearch API V1 is released. OpenSearch API V1 provides API operations that are compatible with mainstream operating systems. Obsolete. Update to OpenSearch API V2 at your earliest opportunity.