When trying to evaluate the 2nd block, Emacs prompted to input the value for v. Apparently, the verb-var function cannot read values provided by the :var keyword.
#+name: ex
#+begin_example
json
#+end_example
#+begin_src verb :var v=ex
get https://reqbin.com/echo/get/{{(verb-var v)}}
#+end_src
When trying to evaluate the 2nd block, Emacs prompted to input the value for v. Apparently, the
verb-var
function cannot read values provided by the:var
keyword.