creditcardcheck

To install creditcardcheck package run this command in terminal $ go get github.com/ashish041/creditcardcheck

Example code:

package main

import (
	"fmt"

	"github.com/ashish041/creditcardcheck"
)

func main() {
	cardList := []string{
		"4111111111111111",
		"4111111111111",
		"4012888888881881",
		"378282246310005",
		"6011111111111117",
		"5105105105105100",
		"5105 1051 0510 5106",
		"9111111111111111",
	}
	for _, ci := range cardList {
		r := creditcardcheck.CheckCreditCard(ci)
		if r.Error != nil {
			fmt.Printf("! Error when checking credit card number %s : %v\n", r.CardNumber, r.Error)
		} else {
			fmt.Printf("%s: %s    (%s)\n", r.CardType, r.CardNumber, r.CardStatus)
		}
	}
}

Output:

VISA: 4111111111111111        (valid)
VISA: 4111111111111           (invalid)
VISA: 4012888888881881        (valid)
AMEX: 378282246310005         (valid)
Discover: 6011111111111117    (valid)
MasterCard: 5105105105105100  (valid)
MasterCard: 5105105105105106  (invalid)
Unknown: 9111111111111111     (invalid)