curl "https://server.smartlead.ai/api/v1/crm/leads/tasks/123?api_key=YOUR_KEY"

{
  "ok": true,
  "data": [
    {
      "id": 789,
      "lead_id": 123,
      "name": "Follow up on enterprise proposal",
      "description": "Send pricing breakdown for 50-seat plan",
      "priority": "HIGH",
      "due_date": "2025-12-15T09:00:00Z",
      "status": "pending",
      "created_at": "2025-12-01T10:00:00.000Z"
    }
  ]
}

{
  "message": "Invalid API Key"
}