code: public static ApiRequest<Prijzen> getPrijzen(String fromStation, String toStation) {
          return RequestBuilder.getPrijzen(fromStation, toStation, null, null);
      }
docs: Builds a request to get all fares for a ride between station from, to station to. See <a
  href="http://www.ns.nl/api/api#api-documentatie-prijzen">prijzen</a>
  
  @param fromStation Starting point of the trip
  @param toStation End point of the trip
  @return Request for getting the fares