params := ctx.Params()
    var reqBody []byte
    roomReq, err := makeLintedRoomRequests(params.PaxGroups)
    if err != nil {
        return nil, err
    }
    var searchInfo = SearchInfo{Residency: common.ValidateResidency(params.ResidencyCode2())}
    if len(currency) > 0 {
        searchInfo.Currency = validateCurrency(currency)
    } else {
        searchInfo.Currency = validateCurrency(params.Currency)
    }
    if len(regionId) > 0 {
        req := HotelPricePaxRequest{
            Endpoint:       c.endpoint,
            BaseSearchInfo: searchInfo,
            CityCode:       regionId,
            HotelIDs:       splitHotelIDs(hotels),
            CheckInDate:    TimeToDate(params.Arrival),
            CheckOutDate:   TimeToDate(params.Departure),
            PaxRooms:       roomReq,
        }
        if buf, err := req.Compile(); err != nil {
            return nil, err
        } else {
            reqBody = buf
        }
    } else {
        err := errors.New("unable to do hotel search without region")
        return nil, err
    }