curl -X GET "https://prospect-api.smartlead.ai/api/v1/search-email-leads/domain?api_key=YOUR_API_KEY"

{
  "success": true,
  "message": "Data retrieved successfully",
  "data": [
    { "domain_name": "acme.com" },
    { "domain_name": "techinc.com" }
  ]
}

{
  "statusCode": 401,
  "success": false,
  "message": "Unauthorized",
  "error": "User not authenticated"
}