# Credit card validator

Luhn algorithm and basic expiration dates checks for credit cards.

## Installaiton

```
go get git.tertyshny.dev/fotonmoton/cards/validation
```

## Usage

```
package main

import (
	"fmt"

	"git.tertyshny.dev/fotonmoton/cards/validation"
)

func main() {
	result := validation.Validate(validation.Card{"4111111111111111", "01", "29"})

	fmt.Printf("%v", result)
}
```

## API

clone this repo and run:
```
docker build . -t validate:latest && \
docker run --rm --name validator --publish 8080:8080 validate:latest
```

to check:
```
curl -X POST --data '{"pan":"4111111111111111","year":"27","month":"12"}' localhost:8080/validate
```

or online:
```
curl -X POST --data '{"pan":"4111111111111111","year":"27","month":"12"}' cards.tertyshny.dev/validate
```