ABID in Whatsapp URL schemes

Question

Yesterday Whatsapp updated their iOS application and released official URL scheme (api hooks).

I wanted to play a little with it and I\'m now facing the problem that

Answer 1

Please note that Whatsapp has removed (during March '16) the URL Schema to open a conversation with a specific contact.

As you can see on their Custom URL Scheme page there is no more the ABID parameter.