curl -X POST "https://server.smartlead.ai/api/v1/leads/leads/push-between-lists?api_key=YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "action": "move",
    "fromListId": 500,
    "toListId": 501
  }'

{
  "ok": true,
  "data": {
    "total_leads_moved": 1250
  }
}

{
  "message": "Invalid API Key"
}