{ "card_number": "0000 0000 0000 0004" }
curl --location 'https://onapi.stafebank.com.br/v1/cards/brand' \ --header 'Content-Type: application/json' \ --data '{ "card_number": "0000 0000 0000 0004" }'
{ "brand": "hipercard", "acceptable": true }