[MAR] Updates on the Cielo E-commerce API documentation

New card brand return codes:
- Elo: codes 15, 66, 73, 79, 80;
- Amex: code 102;
Updated descriptions of card brand return codes:
- Visa: code 46;
- Elo: code 78;
Starting on 04/17/2026, it will be required to send the cryptogram in card verification transactions (VerifyCard) using tokenization with the Visa card brand:
- Send the DPAN (token) in the Card.CardNumber field;
- Send the cryptogram in the Card.SecurityCode field.
Warning that Click to Pay works only when card data or DPAN is included.
New page about Merchant Advice Code (MAC) – Mastercard released:
- The Merchant Advice Code (MAC) is a code returned by Mastercard in declined transactions or other specific scenarios, such as cases involving virtual cards, card data updates (ABU), or token requirements.