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Elasticsearch.Net & NEST

Repository for both the offical low level client Elasticsearch.Net as the high level opiniated NEST client.


  • One-to-one mapping with REST API and the other official clients
  • Load balancing / Cluster failover support.
  • Almost completely generated from the official rest API spec which makes it easy to keep up to date.
  • Comes with an integration test suite that can be generated from the yaml test definitions that the elasticsearch core team uses to test their REST API.
  • All calls have async variants
  • Has no opinions on how you create or consume the request and response although comes with a special dynamic type you can deserialize too.
  • Read more here


  • High level client that internally uses the low level client.
  • Maps requests and response to strongly typed objects with a fluent interface to build them.
  • Comes with a very powerful query dsl thats maps one-to-one with Elasticsearch.
  • Takes advantage of .NET features where they make sense (i.e: covariant IEnumerable<T> result types, inferring typenames and indexnames automatically)
  • All calls have async variants

Read more here

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