No, see post #1 in this thread. There is an image of the very long URL.
Repeated here:
I believe the domain name in the URL is now different but the format is the same.
Update: I found a more recent example.
https://portal.letsencrypt.org/sfe/v1/unpause?jwt=eyJhbGciOiJIUzI1NiJ9.eyJhdWQiOiJTRkUgVW5wYXVzZSIsImV4cCI6MTc0Mzc3NDY3NCwiaWF0IjoxNzQyNTY1MDc0LCJpZGVudGlmaWVycyI6ImFkbWluLm1vdW50YWluaGlnaHNlby5jb20iLCJpc3MiOiJXRkUiLCJzdWIiOiIyMDY4MjI1ODg3IiwidmVyc2lvbiI6InYxIn0.J8IB55eT0uIpL5kczu8G3qXInn8immbsuStiixdf5nk