opensearch-docs-cn/_api-reference/cat/cat-count.md

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---
layout: default
title: CAT count
parent: CAT API
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nav_order: 10
has_children: false
redirect_from:
- /opensearch/rest-api/cat/cat-count/
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---
# CAT count
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Introduced 1.0
{: .label .label-purple }
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The CAT count operation lists the number of documents in your cluster.
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## Example
```json
GET _cat/count?v
```
{% include copy-curl.html %}
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To see the number of documents in a specific index or alias, add the index or alias name after your query:
```json
GET _cat/count/<index_or_alias>?v
```
{% include copy-curl.html %}
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If you want to get information for more than one index or alias, separate the index or alias names with commas:
```json
GET _cat/count/index_or_alias_1,index_or_alias_2,index_or_alias_3
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```
{% include copy-curl.html %}
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## Path and HTTP methods
```
GET _cat/count?v
GET _cat/count/<index>?v
```
## URL parameters
All CAT count URL parameters are optional. You can specify any of the [common URL parameters]({{site.url}}{{site.baseurl}}/api-reference/cat/index).
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## Response
The following response shows the overall document count as 1625:
```json
epoch | timestamp | count
1624237738 | 01:08:58 | 1625
```