All Mercado Pago codes
MERCADO PAGO · STATUS_DETAIL

Mercado Pago
cc_rejected_bad_filled_card_number

Check card number.

Mercado Pago saysHard decline
cc_rejected_bad_filled_card_number

Check card number.

What it means

Invalid card number

The card number does not exist or is not valid for this issuer.

What to do

Ask the shopper to re-enter the number or use another card. Do not retry the same number.

Don't retry as-isWho can fix it: The shopper
Yuno response codeINVALID_CARD_NUMBER
Source:Mercado Pago docs — Checkout API (Payments): Get payment status

Reference only. Codes and descriptions come from each provider's public documentation. The Yuno response code is a reference mapping and does not guarantee how a specific transaction is processed.