Help me find jpg displaying api for any word?

I think there was previously a service that I saw posted on here, not sure if it was a placeholder image service or just an experiment, but the api would let you go /cat.jpg or even /beautiful.jpg and it would come up with an appropriate image for pretty much any word. I had fun with it for a while but now I'm interested in it for a project, if the API is even open? I remember the site had a very basic unstyled layout and perhaps some ascii art. If anyone could help me I'd be very appreciative, thanks.