I wrote a small Heroku app a while back for viewing request headers: <a href="http:&#x2F;&#x2F;rocky-brook-3183.herokuapp.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;rocky-brook-3183.herokuapp.com&#x2F;</a><p>Source for the site is here if you&#x27;re interested: <a href="https:&#x2F;&#x2F;github.com&#x2F;wyattjoh&#x2F;HeadersCheck" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;wyattjoh&#x2F;HeadersCheck</a>