Free BIN Checker & BIN Lookup

A BIN (Bank Identification Number), also called an IIN (Issuer Identification Number), is the leading digit range on a payment card. Most cards use at least the first six digits; Greip accepts 6 to 11 digits in this tool, matching common BIN number lookup use cases.

BINs identify the card issuer and scheme. They help merchants validate card metadata before capture, but they do not prove who owns the card or whether a charge will succeed.

When the prefix is recognized, results are grouped into three sections that match the on-page labels:

• Scheme details: Valid flag, network (for example Visa or Mastercard), Luhn check, prepaid flag, card type, brand, and currency when known.
• Issuing bank: Bank ID, name, city, and coordinates when available.
• Issuing country: Country name, ISO code, dial code, continent, and language fields when available.

If the BIN is unknown or fails validation, only the validity flag may return with limited scheme data.

Type 6 to 11 digits into the field (spaces optional) and select Lookup, or open an example such as 424242 from the list above the form. You can use the first six digits from a physical card; never paste or store full primary account numbers on a public web form.

For checkout at scale, see BIN Lookup for businesses or payment fraud analysis instead of this free checker.

BIN data describes the issuer and product range, not cardholder identity, available balance, or real-time fraud status. Prepaid and commercial flags may be unknown (null in the API). Database coverage varies by region and card program.

A valid BIN does not mean the card is active, authorized for your merchant category, or in the cardholder's possession. Pair BIN checks with your own risk rules and payment processor outcomes.

This page is a free BIN checker for occasional manual research. Businesses evaluating production volume can review BIN Lookup, read the developer documentation, or start a free trial.