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

{
  "success": true,
  "message": "Data retrieved successfully",
  "data": [
    { "id": 1, "revenue": "$1M-$10M" },
    { "id": 2, "revenue": "$10M-$50M" }
  ]
}

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