Written confirmation mandatory on durable medium.
Tourism bookings Algarve, Lisbon, Porto, Madeira and Azores
Small Algarve owners can't staff 24/7. Pre-arrival digital comm is the Booking.com differentiator.
Guest data destroyed after 12 months.
PMS / channel manager webhook
Out-of-the-box: Booking.com, Airbnb, Vrbo, Mews, Cloudbeds, eviivo.
Three-step flow
T-7d: destination info; T-1d: smart-lock code; T+2h: 'Everything OK?'.
Smart-lock integration
Webhook with Nuki, August, TTLock; code valid check-in 14:00 → check-out 11:00.
Multilingual responses
FAQ bot in pt/en/es/fr/de/it for European markets.
json
{ "template": "checkin_t_minus_1d", "channels": ["whatsapp", "sms"], "recipient": { "name": "James O'Connor", "phone": "+447712345678", "lang": "en" }, "booking": { "ref": "VIL-ALG-2026-3892", "property": "Villa Atlantica, Albufeira", "arrival": "2026-06-14T14:00:00+01:00", "smart_lock_code": "8421" } }Villa Atlantica: Tomorrow we're expecting you! Address: Albufeira 14. Lock code: 8421. Check-in after 14:00.
- Connect chosen PMS
- Smart-lock integration active
- WhatsApp Business templates approved
Meta-approved WhatsApp templates + off-the-shelf smart-lock — from booking event to working check-in in <30 min setup.
What if guest has no WhatsApp?
4notify checks WhatsApp Business by number. If unavailable, auto SMS + email fallback.
Start free
14 days, no card. Support in Portuguese and English.