Need to register for REST api ?

[tom2....@gmail.com]

Hello

We would like to use the REST api to get community numbers and zip codes with requests like this:

http://api3.geo.admin.ch/rest/services/api/MapServer/identify?geometryType=esriGeometryPoint&geometry=600000,200000&imageDisplay=0,0,0&mapExtent=0,0,0,0&tolerance=0&layers=all:ch.swisstopo.swissboundaries3d-gemeinde-flaeche.fill,ch.swisstopo-vd.ortschaftenverzeichnis_plz&returnGeometry=false

Do we have to register for this at

  http://www.geo.admin.ch/internet/geoportal/de/home/services/geoservices/display_services/api_services/order_form.html
?

How many requests of the above type can we make for free?

Thank you

Tom