💳 CardBinEX

Elixir module to discover the CreditCard brand based in the first digits.

Valid CreditCard brands

brand	alias
Visa	visa
Elo	elo
JCB	jcb
Diners	diners
Discover	discover
MasterCard	master
Hipercard	hipercard
American Express	amex

Install

def deps do
  [
    {:card_bin_ex, "~> 1.0"}
  ]
end

Usage

Get the creditcard brand base in the first digits.

iex> CardBinEx.brand_from_number("4716892")
{:ok, "visa"}

iex> CardBinEx.brand_from_number("9716892")
{:error, :card_brand, "9716892"}

Get the creditcard brand base in the first digits and return only the brand.

It will raise CardBinEx.Error if is an invalid bin.

iex> CardBinEx.brand_from_number!("4716892")
"visa"

iex> try do
...>   CardBinEx.brand_from_number!("9716892")
...> rescue
...>   e in CardBinEx.Error -> IO.puts(e.message)
..> end