> For the complete documentation index, see [llms.txt](https://docs.console.zenlayer.com/api-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.console.zenlayer.com/api-reference/compute/zec/cidr-block/describepools.md).

# DescribePools

## 1. API Description

This API (DescribePools) is used to query public IP pool information in the account. You can filter results by pool ID, region, or name. Supports pagination.

## 2. Input Parameters

The following request parameter list only provides API request parameters.

| Parameter Name | Required | Type            | Description                                                                                               |
| -------------- | -------- | --------------- | --------------------------------------------------------------------------------------------------------- |
| poolIds        | No       | Array of String | Pool ID(s).                                                                                               |
| regionId       | No       | String          | Filter by the region ID of the public IP pool.                                                            |
| name           | No       | String          | <p>Pool name.</p><p>Fuzzy search supported.</p>                                                           |
| pageSize       | No       | Integer         | <p>Number of items in the current page result.</p><p>Default value: 20;</p><p>Value range: \[1, 1000]</p> |
| pageNum        | No       | Integer         | <p>Number of pages returned.</p><p>Value range: \[1, +)</p><p>Default value: 1</p>                        |

## 3. Output Parameters

| Parameter Name | Type                                                                      | Description                                                                                                           |
| -------------- | ------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------- |
| requestId      | String                                                                    | <p>The unique request ID, which is returned for each request.</p><p>RequestId is required for locating a problem.</p> |
| totalCount     | Integer                                                                   | Number of pools meeting the filtering conditions.                                                                     |
| dataSet        | Array of [PoolInfo](/api-reference/compute/zec/datastructure.md#poolinfo) | Information on pools.                                                                                                 |

## 4. Code Example

{% tabs %}
{% tab title="Example" %}
**Query pool list with IP range of `10.0.0.0/24`.**

<pre class="language-json"><code class="lang-json"><strong>POST /api/v2/zec HTTP/1.1
</strong>Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: DescribePools


Request:
{
  "poolIds": ["xxx"],
  "regionId": "asia-east-1"
  "pageSize": 10,
  "pageNum": 1
}

Response:
{
  "requestId": "TBFC01FCF-6439-4530-ADBC-16809F0C3E8F",
  "response": {
    "requestId": "TBFC01FCF-6439-4530-ADBC-16809F0C3E8F",
    "totalCount": 10,
    "dataSet": [
      {
        "poolId": "xxx",
        "regionId": "xxx",
        "name": "xxx",
        "createTime": "xxx",
      }
    ]
  }
}
</code></pre>

{% endtab %}
{% endtabs %}

## 5. Developer Resources

Zenlayer Cloud API 2.0 integrates [SDKs](/api-reference/api-introduction/toolkit/api-sdk.md)，to make it easier for you to call APIs. More programming languages will be supported.

## 6. Error Codes

The following only lists the error codes related to the API business logic. For other error codes, see [Common Error Codes](/api-reference/api-introduction/instruction/commonerrorcode.md).

| HTTP Status Code | Error Code | Description |
| ---------------- | ---------- | ----------- |