curl --request POST \
  --url http://localhost:3000/api/v1/requisitions/{id}/groups/{groupId}/items \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "quantity": 1,
  "itemId": "<string>"
}
'

{
  "id": "<string>",
  "quantity": 123,
  "itemId": "<string>"
}