From January 2018:

 

The provisions of PSD2 apply, meaning that TPPs will need to identify themselves towards AS PSPs and communicate securely with them. Screen scraping is therefore not allowed as from January 2018 and the secure interfaces will have to be used instead (and be up and running). If the interfaces are not up and running efficiently, then, status quo or a more secure process to still allow TPPs to be active on the market.