curl --request POST \
  --url http://localhost:8080/v1/batches/{id}/confirm \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "source_currency": "<string>"
}
'

{
  "id": "bat_cq1234567890abcdef",
  "merchant_id": "<string>",
  "uploaded_by": "<string>",
  "status": "uploaded",
  "file_name": "<string>",
  "file_format": "csv",
  "file_size": 123,
  "total_rows": 123,
  "valid_rows": 123,
  "invalid_rows": 123,
  "processed_rows": 123,
  "errors": [
    {
      "row": 123,
      "field": "<string>",
      "message": "<string>"
    }
  ],
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "completed_at": "2023-11-07T05:31:56Z"
}