The card issuer is the institution named on your card relationship. It approves or declines charges, posts them to your account or prepaid balance, and handles fraud claims and statements on the customer side.
Key takeaways
- Issuer and acquirer are different roles: one serves the cardholder, the other the merchant.
- Credit limits, PIN rules, and chargeback rights come from the issuer and the card scheme rules.
- When a payment is declined, the issuer’s risk or balance checks are a common reason.
- Scheme brands (the logo on the card) set network rules; the issuer still owns the customer account.