Pay your bill super fast from now on with Bancontact in the MyProximus app. publish date 29 November 2018 Need to pay your bill? Not fun! But it has to be done. Thanks to Bancontact, you can now get it out of the way as quickly as possible. From now on, Proximus customers can simply pay their bills with Bancontact in their MyProximus app - and it's super fast!