ETG API V3 [Beta] Sandbox Hotel search Hotel search 🆕 The Sandbox environment is available exclusively to new partners who begin their integration in Q4 2025. The call group for working with hotel search. The call list: Search by hotel IDs. Search by geo coordinates. Search by region. Sort hotels. Suggest hotel and region. Retrieve hotelpage. Prebook rate from hotelpage step. Prebook rate from search step. Retrieve rate info.