On: The Internet Toaster (2000)

[inflatableDodo]

I think Cambridge University's Trojan Room coffee pot probably wins - https://en.wikipedia.org/wiki/Trojan_Room_coffee_pot

[sdenton4 → inflatableDodo]

Error 418: I'm a teapot.

https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/418

[VectorLock → inflatableDodo]

1989 seems to predate that and the coffee pot wasn't internet connected, it simply sat in front of a camera.

[inflatableDodo → VectorLock]

Please excuse me, I had a brain fart.