Yes you have to have the allow unsafe to do wget calls.
They have also made the IFTTT Vera Beta available to all here: Vera Official IFTTT Integration ( BETA ) - #111 by Sorin - More Home Control - Ezlo Community
Note:
The IFTTT Vera Beta Service Allows you to use Vera as the “That”
Webhooks allows you to use Vera as the “This”
Using them together you get both directions