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Getting StartedCard No Verification (BIN Check)
In "Merchant" and "Tokenized" payment types, when the first 4 digits and 16 digits of the credit card number are entered, it is called if your module class has a "bin_check" function.
If the "bin_check" function is not defined, the predefined "bin_check_international" function is called.
The first parameter passed to the "bin_check" function has the first 4 or 16 digits of the card number.
The return value of the function must be an array. Here are the indices you need to define in the array:
| Name | Sample | Explanation |
| country | US,DE,FR,TR,BR etc… | ISO 3166-1 alpha-2 country code |
| card_type | debit or credit | Information on whether the card is a debit or credit card |
| schema | VISA,MASTERCARD, etc… | Cart type |
| bank_name | Sample Bank | Name of the bank |
| brand | American Express etc… | Brand of card, if any |
