luhn-check

A REST API that takes in a credit card number and checks if the card number is valid according to the Luhn algorithm.

https://en.wikipedia.org/wiki/Luhn_algorithm

How to use

go run main.go

curl http://localhost:3333/\?value=xxx

where "xxx" is the credit card number to test.

Response

The API returns a JSON object with the shape:

{"passes": result}

where "result" is a bool

Example

curl http://localhost:3333/\?value=4242424242424242

{"passes":true}