curl --request GET \
  --url https://api.callrounded.com/v1/agents/{agent_id}/versions \
  --header 'X-Api-Key: <api-key>'

{
  "message": "Agent versions retrieved successfully",
  "data": [
    {
      "version": 2,
      "configuration_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "created_at": "2025-07-15T15:31:48.104Z",
      "active": true
    },
    {
      "version": 1,
      "configuration_id": "b6336e90-2780-421b-9ae8-77e3cad98c25",
      "created_at": "2025-07-14T15:31:48.104Z",
      "active": false
    }
  ],
  "status": 200
}