All Cielo codes
CIELO · RETURN CODE

Cielo
15

Issuer not found - incorrect BIN

Cielo saysHard decline
15

Issuer not found - incorrect BIN

What it means

Issuer not recognized

The network could not identify the bank behind this card.

What to do

Ask for another card. If it affects a whole BIN range, raise it with your provider.

Don't retry as-isWho can fix it: The card issuer
Yuno response codeINVALID_ISSUER
Source:Cielo docs — Códigos de Retorno padrão ABECS (API E-commerce Cielo)

Other Cielo codes with the same meaning

92

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.