curl -X PUT "https://api.cryptomate.me/cards/individual-cards/icard_6f1e2a30-4a3c-4b2e-9a1d-5e8c9b7a1f23/pin" \
  -H "x-api-key: $CRYPTOMATE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "pin": "1234"
  }'

{}

{
  "code": "VAL",
  "message": "PIN must be 4 to 12 digits"
}

{
  "code": "AUTH",
  "message": "Invalid API key"
}

{
  "code": "NOT_FOUND",
  "message": "Card not found"
}