Validation · API

Bank / BIN Lookup

Validate a card BIN or bank account and return the issuing bank, scheme, country and card type.

POST /v1/validate/bank

200 OK

{
  "bin": "424242",
  "scheme": "visa",
  "bank": "JPMorgan Chase",
  "type": "credit",
  "country_code": "US"
}

Capabilities

Why teams use it

BIN lookup

Identify the issuing bank from a card BIN.

Bank & scheme

Bank name and Visa/Mastercard/Amex scheme.

Card type

Credit, debit or prepaid classification.

Country & currency

Issuing country and default currency.

Fraud signals

Flag high-risk BINs before checkout.

Real-time

Validate right at the payment form.

Request

Call it in your language

curl -X POST https://api.locanium.com/v1/validate/bank \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{"bin":"424242"}'

Response

What you get back

binstring
Card BIN
schemestring
visa / mastercard / amex
bankstring
Issuing bank
typestring
credit / debit / prepaid
country_codestring
Issuing country
currencystring
Default currency

Use cases

What you can build

Validation family

Email Validation Phone Validation VAT Validation IBAN Validation Company Enrichment

Full parameters, errors and code samples are in the API reference.