Billzify Channel Manager API lets PMS companies plug into Airbnb, Booking.com, MakeMyTrip, Goibibo, Agoda, Expedia and Google Hotel Ads — sync availability, push rates, ingest reservations, and unify guest messaging through a single REST endpoint.
# Push availability + rates to all connected OTAs in one call curl -X POST https://api.billzify.com/v2/channel/inventory \ -H "Authorization: Bearer $BILLZIFY_KEY" \ -H "Content-Type: application/json" \ -d '{ "property_id": "prop_84A2", "room_type_id": "deluxe_king", "date_from": "2026-05-10", "date_to": "2026-05-31", "availability": 12, "rate": 4499, "channels": ["airbnb", "booking", "mmt", "goibibo", "google"] }' # → 200 OK · synced to 5 channels in 1.4s
100+ OTAs · One Integration
Capabilities
Built specifically for PMS vendors who want to ship channel manager features to their hotel customers without building 100 OTA integrations.
Push room availability to every connected OTA in under 2 seconds. Stop overbookings with atomic inventory updates and pooled allocations.
POST /channel/inventoryUpdate BAR, derived rates and rate plans across Airbnb, Booking.com, MMT, Goibibo and Google with a single call. Currency-aware and tax-inclusive.
PUT /channel/ratesReceive new bookings, modifications and cancellations as normalized webhooks — no more parsing 12 different XML schemas.
Webhook · reservation.createdOne inbox API for Airbnb messages, Booking.com chat, MakeMyTrip and Goibibo communications. Send, receive, automate.
POST /messaging/threadsProgrammatic access to MakeMyTrip promotions, Goibibo deals, Booking Genius, Airbnb special offers and Google Hotel Ads campaigns.
POST /promotionsNative Google Hotel Ads support — push availability, rates and promotions directly to Google Search, Maps and Travel.
Feed · google.hotelMap your room types and rate plans to OTA-side codes once. We handle re-mapping, fallbacks and channel-specific quirks automatically.
GET /mappingsDaily reservation reconciliation, payout reports, commission tracking and revenue analytics across all OTAs in one feed.
GET /reports/reconciliationOAuth 2.0, signed webhooks, IP allowlisting, audit logs and tenant-isolated data. SOC 2 Type II and ISO 27001 certified.
OAuth 2.0 · HMACAPI Reference
Resource-oriented endpoints, standard HTTP verbs, JSON request/response, and webhooks for events. Versioned and backwards-compatible.
// Send a guest message — same payload works for Airbnb, // Booking.com, MakeMyTrip, Goibibo. Channel auto-resolved // from reservation_id. POST /v2/messaging/send { "reservation_id": "res_AIRBNB_9F2K7", "channel": "airbnb", "thread_id": "thr_77c2", "message": "Welcome! Your check-in code is 4421.", "locale": "en-IN", "attachments": [ { "type": "image", "url": "https://cdn.../map.png" } ] } // → 200 OK // { "id": "msg_01HZ...", "delivered_at": "2026-05-07T..." }
Integration
Designed for PMS engineering teams. Sandbox keys instantly, production access in under a week.
Sign up as a PMS partner and instantly get sandbox credentials with mock OTA channels.
Map your PMS room types and rate plans to OTA-specific codes using our mapping API.
Hotels onboard their existing OTA accounts via OAuth or guided XML/credential flow.
Promote to production. Push inventory, rates and messages — we handle the rest.
FAQ
Join PMS companies powering OTA distribution with Billzify. Get sandbox access in 60 seconds.