QAS address validation

Hello. Does anyone have any experience of using this, can tell me what it does and how it fits into Axelor? We would expect to be able to look up addresses by inputting a UK postcode, as typically happens e.g. in online shopping sites, and have experience of using PHP/JavaScript in a web form to exchange data with one of the many companies who provide API’s for postcode lookup.

We can not envisage the need for anything more complicated than this, but if there is already an interface in Axelor that provides this functionality, then obviously we might as well make use of it. However, the QAS service, as apparently provided by Experian, seems to be vastly more elaborate than this, so we suspect that it would be much too complicated for our needs. Any information on the subject would be gratefully received.