The Card Tools are a set of utility endpoints that let you work with card BIN/IIN data. The BIN (Bank Identification Number), also known as IIN (Issuer Identification Number), is the first 6 to 11 digits of a card number. These digits identify the card’s brand, issuing bank, country of origin, and card type. All Card Tools endpoints are authenticated with your API key. Both the input (the first 6–11 digits of the card number) and the output are considered non-sensitive data — the BIN/IIN alone cannot identify a cardholder or be used to initiate a transaction, so calling these endpoints does not put you in PCI scope.Documentation Index
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Available Tools
Brand Lookup
Identify the card brand (Visa, Mastercard, etc.) and get a logo URL to display in your UI.
Metadata Lookup
Get the full card metadata: brand, type (credit/debit), category, issuing bank, and country of issue.
Luhn Validation
Validate a full card number using the Luhn algorithm, with optional metadata in the response.
Card Validation
Assess transaction risk by comparing card origin against the payer’s IP address and billing country.
Authentication
All Card Tools endpoints require an API key passed in theX-Api-Key header. See Generate API Key to get started.