Good morning from Greece and a happy new year to all members,

I was lately wondering if there are any chances to incorporate VIES (Vies on-the-Web - European Commission) to Manager and if there is a possibility to be given at any point API keys to develop on, in order to incorporate the Manager with our GSIS taxation system i.e creation of middleware that will allow both systems to communicate etc.

thanks in advace

There is no guide or Manual for the API other than what is documented on the forum, have a look at Search results for 'api' - Manager Forum some results from which are

For an overview of Manager’s customization options