> ## 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.

# Domain API

> List domains for the authenticated user - GET /domain

<Note>
  This endpoint requires authentication via API key passed as a query parameter (`api_key`).
</Note>

## Query Parameters

<ParamField query="api_key" type="string" required>
  Your SmartLead API key for authentication
</ParamField>

<ParamField query="limit" type="string">
  Number of domains to return (optional). Default: 100.
</ParamField>

<ParamField query="offset" type="string">
  Number of domains to skip for pagination (optional). Default: 0.
</ParamField>

<ParamField query="search" type="string">
  Search string to filter domains by name (optional).
</ParamField>

<RequestExample>
  ```bash cURL theme={null}
  curl -X GET "https://prospect-api.smartlead.ai/api/v1/search-email-leads/domain?api_key=YOUR_API_KEY"
  ```
</RequestExample>

## Response Codes

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

<ResponseField name="401" type="Unauthorized">
  Unauthorized
</ResponseField>

<ResponseField name="500" type="Internal Server Error">
  Internal Server Error
</ResponseField>

<ResponseExample>
  ```json 200 - Success theme={null}
  {
    "success": true,
    "message": "Data retrieved successfully",
    "data": [
      { "domain_name": "acme.com" },
      { "domain_name": "techinc.com" }
    ]
  }
  ```

  ```json 401 - Unauthorized theme={null}
  {
    "statusCode": 401,
    "success": false,
    "message": "Unauthorized",
    "error": "User not authenticated"
  }
  ```
</ResponseExample>