GRNConnect is one of the 100+ hotel suppliers pre-integrated with ZentrumHub's Zentrum Connect platform.
Through ZentrumHub, GRNConnect becomes instantly bookable for your OTA, agency, or travel platform. Instead of a 6–12 month direct integration — XML mapping, supplier certification, ongoing maintenance — you connect once to Zentrum Connect and switch GRNConnect on as a configuration step.
GRNConnect inventory arrives normalized, deduplicated against your other suppliers, and searchable in under 500 milliseconds. Your team never writes a line of GRNConnect-specific code.
Connecting GRNConnect through ZentrumHub's universal hotel API gives you the full integration stack — search, book, manage — without building any of it. Pair it with our AI-powered booking engine or plug the API into your existing platform via Zentrum Connect.
Live GRNConnect pricing and room availability, refreshed on every search. Sub-500ms responses across 900K+ hotels.
Static content — descriptions, images, amenities, geo data — normalized to one schema across GRNConnect and every other supplier.
Complete booking lifecycle through one endpoint: pre-book price checks, instant confirmation, modifications, and cancellations.
The same property from GRNConnect and other suppliers merges into one listing — best rate always on top, no duplicate hotels.
Bring your own GRNConnect license. Your negotiated rates and commercial relationship stay untouched; we supply the technology.
Bookings, supplier performance, and reconciliation for GRNConnect and your whole supplier mix — one login, one report.
Real-time GRNConnect pricing and room availability on every search, sub-500ms.
Descriptions, images, amenities, and geo data normalized to one schema.
Pre-book checks, instant confirmation, modifications, and cancellations.
GRNConnect inventory AI-mapped against your other suppliers — no duplicate hotels.
GRNConnect brings its strongest inventory across Global — pre-integrated with ZentrumHub and deduplicated against your other suppliers so the best rate always surfaces.
GRNConnect's core market strength
Complementary coverage via your other suppliers
Combined with 100+ suppliers on Zentrum Connect
{
"hotelId": "ZH-8842136",
"name": "Grand Palace Hotel & Spa",
"suppliers": [
{ "code": "grnconnect", "rate": 142.50, "currency": "USD" },
{ "code": "hotelbeds", "rate": 149.00, "currency": "USD" }
],
"bestRate": { "supplier": "grnconnect", "total": 142.50 },
"deduplicated": true,
"responseTime": "312ms"
}One unified JSON schema. GRNConnect and 100+ suppliers, deduplicated, best rate on top.
Every GRNConnect API capability — availability, booking, content, cancellation — exposed through ZentrumHub's unified REST endpoints with one JSON schema.
| Endpoint | What it does | GRNConnect data returned |
|---|---|---|
| Availability Search | Real-time GRNConnect availability API — rates & rooms per stay | Live prices, room types, board basis, cancellation policies |
| Pre-Book | Price & availability verification before commit | Confirmed rate, hold reference, policy snapshot |
| Book | GRNConnect booking API — instant confirmation | Booking ID, supplier confirmation, voucher data |
| Cancel / Modify | Full lifecycle management on GRNConnect reservations | Cancellation status, penalties, refund reference |
| Content Sync | GRNConnect hotel content API — static data feed | Descriptions, images, amenities, geo, room mapping |
One integration with Zentrum Connect. GRNConnect becomes a configuration step, not a development project.
Pass your GRNConnect API credentials (BYOL — your contracts, your negotiated rates) or activate ZentrumHub's pre-integrated connection. No supplier-side certification queue.
GRNConnect's responses are mapped to ZentrumHub's unified JSON schema. Content, rates, currency, and availability arrive in the same format as every other supplier on your stack.
AI-powered mapping resolves GRNConnect properties against your other connected suppliers. The same hotel from multiple sources collapses into one listing — best rate surfaces automatically.
GRNConnect inventory flows into your booking engine, B2B portal, or B2C platform through one REST endpoint. Sub-500ms search across 900K+ hotels, 30M+ API calls daily.
You're live in 15 days — while direct integrations take 6–12 months. We absorb all supplier-side maintenance: when GRNConnect changes endpoints or auth, we update once and every customer keeps working.
Zentrum Connect gives you a single dashboard to manage GRNConnect and 100+ other suppliers — toggle, monitor, configure. Live response times, automated health checks, real-time analytics.
Turn GRNConnect and 100+ suppliers on or off independently — A/B test, manage cost, run experiments per market.
See latency per supplier in real time. GRNConnect averaging 468ms? You know the moment something drifts.
Set markup by supplier, market, property tier, or customer segment — without touching code.
Add GRNConnect's inventory to strengthen your Global coverage. Combined with your other connected suppliers, results arrive deduplicated with the best rate surfaced automatically.
Source competitive bedbank rates from GRNConnect alongside your existing supplier mix — one API, one dashboard, one reconciliation flow.
TMCs and corporate booking tools running GRNConnect alongside GDS and bedbank suppliers — one dashboard, one reconciliation flow, consolidated reporting.
Package builders combining GRNConnect hotel inventory with flights, transfers, and activities — sourced through one API with deduplicated results.
| Requirement | Direct Integration | Via ZentrumHub |
|---|---|---|
| Partner onboarding | GRNConnect approval process | Not needed — connection live |
| API certification | Supplier-dependent | None on your side |
| Integration timeline | 6–12 months | 15 days |
| Engineering effort | Dedicated team + maintenance | Zero — we absorb updates |
| Property ID mapping | Manual — duplicate risk | AI deduplication built in |
| Your contracts & rates | Direct relationship | Kept — BYOL supported |
| Per-booking fees | — | Zero. Flat SaaS pricing. |
Real stories from travel platforms who've achieved remarkable growth with ZentrumHub.
“ZentrumHub is a trusted partner helping us scale.”
“One of the best things is their fast support.”
“They connected us to fragmented hotel suppliers.”
A profitable, bootstrapped travel-tech platform delivering measurable results for hotel distribution businesses worldwide.
Direct access requires GRNConnect's partner onboarding. Via ZentrumHub the GRNConnect connection is already live — activate it as a configuration step and be live in 15 days.
No. You build against ZentrumHub's single unified API documentation, which covers GRNConnect and 100+ other suppliers with one request format.
GRNConnect is strongest across Global. Pair it with global bedbanks through ZentrumHub for complete coverage — deduplication handles the overlap.
Not via ZentrumHub. The GRNConnect connection is already certified and maintained by us; there is no certification process on your side.
Everything ZentrumHub offers around the GRNConnect integration — from the universal hotel API to complete travel agency software.
Universal hotel API — 100+ suppliers, one integration
→ Hotel Booking APISearch, book, cancel through one REST endpoint
→ Hotel API AggregatorAggregate bedbanks, GDS & wholesalers in one feed
→ Hotel Booking EngineAI-powered white-label booking engine for OTAs
→ B2B Travel PortalTravel agency software with sub-agent management
→ B2C Travel PortalConsumer booking platform — your brand, live in 15 days
→ Hotel Supplier ConnectZentrum Connect — switch suppliers on as configuration
→ 100+ Hotel SuppliersBrowse every pre-integrated supplier in the directory
→ Hotel API Free TrialSandbox access — test suppliers through the unified API
→ Book a Hotel API Demo15-minute call to map your supplier mix
→90+ OTAs across 15+ countries run on ZentrumHub. Add GRNConnect to your supplier stack in 15 days — direct integrations take 6–12 months.