curl --request GET \
  --url https://mag3nt.com/api/ap2/mandates/{card_id} \
  --header 'Authorization: <api-key>'

{
  "mandates": [
    {
      "mandate_id": "<string>",
      "merchant": "<string>",
      "amount": 123,
      "status": "<string>"
    }
  ]
}