The OpenSearchAPI is an open source, community-driven collection of API model specifications for OpenSearch APIs. The API models are written in OpenAPI format and are used to generate client libraries and documentation. You can find the latest version of the API specification here.
https://github.com/opensearch-project/OpenSearch
Correction of variable types (IndexName = Text)
Apache v2.0 License (https://github.com/opensearch-project/OpenSearch/blob/main/LICENSE.txt)