Ask HN: How does Ribbon's in-stream Twitter payment work?

[wave]

Recently, Ribbon.io announced in-stream payment option that lets you buy things without clicking away from Twitter.com.

How did Ribbon implement this?

[johncoogan]

This article pretty much explains it.

http://techcrunch.com/2013/04/10/well-that-was-fast-twitter-...

More specifically, it uses the Twitter "Player" card to load an iFrame with a separately hosted Ribbon checkout page. Example here: https://www.ribbon.co/086f0a?twitter=true