While googling randomly for Kiva and islamic microfinance, I stumbled upon this post on the Kiva news blog, welcoming Al-Amal microfinance as the first Kiva Field Partner in Yemen.
The post states:
Al-Amal is the first microfinance institution in the Arab world to offer exclusively shariah-compliant loan products […]
This is essentially a sign-off from Kiva that Al-Amal uses Islamic microfinance, exclusively. That’s great news for us — one more field partner verified!