> ## Documentation Index
> Fetch the complete documentation index at: https://api.smartlead.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Update Lead List

> Update the name of an existing lead list

## Path Parameters

<ParamField path="id" type="number" required>
  The unique ID of the lead list to update
</ParamField>

## Request Body

<ParamField body="listName" type="string" required>
  New name for the lead list
</ParamField>

<RequestExample>
  ```bash cURL theme={null}
  curl -X PUT "https://server.smartlead.ai/api/v1/lead-list/500?api_key=YOUR_KEY" \
    -H "Content-Type: application/json" \
    -d '{"listName": "Q1 2025 Enterprise Prospects - Updated"}'
  ```
</RequestExample>

## Response Codes

<ResponseField name="200" type="Success">
  Request successful
</ResponseField>

<ResponseField name="400" type="Bad Request">
  Invalid request parameters or malformed request body
</ResponseField>

<ResponseField name="401" type="Unauthorized">
  Invalid or missing API key
</ResponseField>

<ResponseField name="422" type="Validation Error">
  Request validation failed. Check parameter types and constraints.
</ResponseField>

<ResponseExample>
  ```json 200 - Success theme={null}
  {
    "ok": true,
    "data": {
      "id": 500,
      "name": "Q1 2025 Enterprise Prospects - Updated"
    }
  }
  ```

  ```json 401 - Unauthorized theme={null}
  {
    "message": "Invalid API Key"
  }
  ```
</ResponseExample>