---
title: Javadoc for the Elasticsearch Java REST client sniffer
description: The javadoc for the REST client sniffer can be found at https://snapshots.elastic.co/javadoc/org/elasticsearch/client/elasticsearch-rest-client-sniffer/9.3.0/index.html...
url: https://docs-v3-preview.elastic.dev/elastic/elasticsearch-java/pull/1224/reference/transport/rest-client/sniffer/javadoc
products:
  - Elasticsearch
  - Elasticsearch Client
---

# Javadoc for the Elasticsearch Java REST client sniffer
<note>
  This is the legacy RestClient. Please migrate to [Rest5Client](https://docs-v3-preview.elastic.dev/elastic/elasticsearch-java/pull/1224/reference/transport/rest5-client), a drop-in replacement with an up-to-date http library.
</note>

The javadoc for the REST client sniffer can be found at [[https://snapshots.elastic.co/javadoc/org/elasticsearch/client/elasticsearch-rest-client-sniffer/9.3.0/index.html](https://snapshots.elastic.co/javadoc/org/elasticsearch/client/elasticsearch-rest-client-sniffer/9.3.0/index.html)](https://snapshots.elastic.co/javadoc/org/elasticsearch/client/elasticsearch-rest-client-sniffer/9.3.0/index.md).