Facebook page automatic “like” URL (for QR Code)

Question

I was wondering if one could construct a URL for automatically liking a Facebook page. Then this URL could be converted to a QR Code so people can automatically \"like\" yo

Answer 1

In my opinion, it is not possible for the like button (and I hope it is not possible).

But, you can trigger a custom OpenGraph v2 action, or display a like button linked to your facebook page.