BIN 521431
BIN 521431 belongs to a Mastercard debit prepaid card issued by S1lk Pay, LTD. in Kazakhstan.
| BIN / IIN | 521431 |
|---|---|
| Card brand | Mastercard |
| Card type | Debit |
| Card level | Prepaid |
| Prepaid | Yes |
| Issuing bank | S1lk Pay, LTD. |
| Country | 🇰🇿Kazakhstan(KZ) |
What this BIN tells you
A card that starts with 521431 runs on the Mastercard network, is a debit card, was issued by S1lk Pay, LTD. and comes from Kazakhstan. Payment systems read these first six digits before anything else: to route the transaction to the right network, to apply interchange and currency rules, and to flag mismatches between the card's country and the buyer's location.
A BIN identifies a range of cards, never one account. Knowing it tells you nothing about any individual cardholder. To test how your checkout handles Mastercard cards, use Mastercard test numbers for form validation, and your gateway's official sandbox cards for payment flows.
BIN 521431 FAQ
Which bank issued BIN 521431?
BIN 521431 is issued by S1lk Pay, LTD. in Kazakhstan.
Is BIN 521431 a credit or debit card?
BIN 521431 is a debit card on the Mastercard network, and it is prepaid.
What country is BIN 521431 from?
Cards starting with 521431 are issued in Kazakhstan (KZ).
Can BIN 521431 identify a cardholder?
No. A BIN covers every card in a range from one issuer. It identifies the bank, brand, type and country, not an individual account.