Zillow Zestimate ZPID returns "None"

Has anyone had a problem where the ZIllow integration returns “none”? I have several zpids setup in my sensors.yaml file. All work fine, except for 1 of them, which returns “none” (sets-up an entity called “sensor.zestimate_none”). I believe the ZPID is correct, since I copy and pasted it from the Zillow URL.

Wondering if you ever got this working? I just set this up and am having the same problem. My property says:
“Zestimate none unavailable”.

Ah, never mind. I found this:

I did manage to get an API key a few days ago but I get the same error in my log as listed here (account not authorized). Hopefully Zillow will fix this.