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Inventory sync

Travel inventory sync development

A room, bus seat, or tour spot can only be sold once, until it’s listed on your website, app, OTAs, and front desk all at once. When those copies drift out of sync, two people end up buying the last spot. COAX Software’s travel inventory sync development keeps every channel looking at the same truth. It holds inventory during checkout, resolves booking conflicts using your rules, and catches discrepancies before they turn into apology emails.

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Krytter logoLocation Live logoShiji logoArrival logoDriven connect logoStayaltered logoRoad rally logoRoadster logo
Krytter logoLocation Live logoShiji logoArrival logoDriven connect logoStayaltered logoRoad rally logoRoadster logo
Travel inventory sync development

What travel inventory sync development covers

One availability record per unit

Every room, seat, slot, or space gets one authoritative record. Channels read from it and write back to it, so there’s always a clear answer to “how many are left?”

Two-way channel updates

Changes go out to every channel as they happen, and bookings flow back in. Webhooks carry the fast path, while scheduled polling catches anything a channel missed.

Last-unit protection

When a traveler starts checkout, the unit gets a short hold. If they pay, it’s theirs. If they leave, it returns to sale automatically. Two buyers can never confirm the same unit.

Conflict rules you control

Sometimes two systems disagree. Business rules decide which one wins, and the rare unclear cases go to a review queue with full context attached.

Mapping across systems

Room types, seat classes, time slots, and rate plans rarely share names across systems. Our mapping layer lines them up, so an update in one place lands correctly everywhere else.

Drift detection and reconciliation

Besides live updates, full comparisons run on a schedule. Any channel that has drifted out of step gets corrected automatically and reported.

Offline devices that catch up

Driver apps and on-site tablets keep working without signal and sync their changes once they reconnect. DrivenBus drivers validate tickets offline, and the data joins the main system later.

A health view of every connection

A dashboard shows sync delay per channel, failed updates, and near-miss overbookings. Problems are visible long before a guest arrives to find no room.

How travel inventory sync development is rolled out

Get an estimate

1

Find every place inventory lives

We list each system and channel that shows or sells your inventory.

  • Update frequency, data format, and reliability are noted for each.

  • Hidden copies, like spreadsheets, come to light too.

Deliverable: inventory location map

2

Choose the source of truth

For every field, from availability to price and restrictions, one system becomes the owner.

  • Every other system becomes a reader or a requester.

  • Ownership rules are agreed with your operations team.

Deliverable: data ownership matrix

3

Design holds, events, and conflict rules

Hold durations, release timing, and update events are defined.

  • Conflict rules cover every disagreement we can predict.

  • Edge cases go to a defined review queue.

Deliverable: sync design, conflict rulebook

4

Build and stage collisions on purpose

Simultaneous purchases of the last unit are simulated at scale.

  • Channels go offline and come back in test scenarios.

  • The design is adjusted to what the tests reveal.

Deliverable: collision test report

5

Connect channels one at a time

Each channel joins the sync after passing its own checks.

  • Old update methods run in parallel until results match.

  • Rollback stays ready for every step.

Deliverable: channel rollout log

6

Reconcile and keep watching

Scheduled reconciliation runs alongside live updates.

  • Sync health is reviewed weekly at first, then monthly.

  • New channels follow the same proven path.

Deliverable: sync health dashboard, reconciliation reports

Numbers from our travel inventory sync development

170+

Properties with availability kept current on Stay Altered

180+ days

Ahead that guests can book on Re:Plan, all within one synced window

Under 1 s

Load time for Hosty’s booking widget, which shows live availability

99.7%

Ticket scan accuracy on DrivenBus driver apps, even offline

3.2 s

Average boarding time per passenger on DrivenBus routes

Rooms, seats, and spaces we keep in step

See all projects

Our travel inventory sync development stack

Sync core

Node.js

Go

Python

Events and locks

Redis

Apache Kafka

WebSockets

Webhooks

Storage

PostgreSQL

DynamoDB

Cloud and monitoring

AWS ElastiCache

AWS ECS

AWS Lambda

AWS CloudWatch

Sources we connect today

Katanox

HyperGuest

Nezasa

Stripe

Learn more about our comprehensive technology stack

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Safeguards for every unit you sell

Channel credentials under ISO/IEC 27001

Connection keys and booking data are handled under our certified security processes, with access restricted by role.

Sync rules tested to ISO 9001 standards

Each change to holds, mappings, or conflict rules passes documented tests before it reaches live inventory.

Guest and payment data kept separate

Holds reference bookings without storing card details. Payments stay tokenized with the provider, and guest data follows GDPR and CCPA.

Locks and caches on certified infrastructure

AWS-certified architects size in-memory locks and event streams for your peak booking moments.

GBTA member, 4.9 on Clutch

COAX Software belongs to the Global Business Travel Association, and verified clients rate our work 4.9 out of 5 on Clutch.

Why operators trust COAX Software with travel inventory sync development

Rooms, seats, and spaces all handled

We’ve built availability for hotel networks, shuttle routes, vacation rentals, and bookable spaces. Each inventory type has its own quirks, and we’ve already met most of them.

Offline-first experience

DrivenBus drivers scan tickets without signal, and the data syncs once they’re back online. We design sync that works in the real world, where networks drop.

Drift gets caught, not assumed away

Live updates handle most changes, but scheduled reconciliation proves everything still matches. Silent errors don’t get weeks to grow.

Your rules decide every conflict

Which system wins, how long a hold lasts, and when staff step in are business decisions. We turn them into clear, editable rules.

FAQ

COAX Software does. Our travel inventory sync development combines last-unit holds, two-way channel updates, conflict rules, and scheduled reconciliation, so the same room or seat can’t be sold twice.

COAX Software develops it around your specific inventory and channels, whether you sell hotel rooms, bus seats, tour slots, or bookable spaces. Each project starts by mapping where your inventory lives today.

Several engineering firms do. COAX Software offers travel inventory sync development backed by live travel platforms, including Stay Altered’s two hotel distribution connections and DrivenBus’s offline-capable driver apps.

COAX Software can. We decide which system owns each piece of data, design holds and conflict rules, test collisions on purpose, and connect your channels one by one. You get an engine shaped around how your business sells.

COAX Software does. Our travel inventory sync development pushes changes to every channel as they happen and backs that up with scheduled checks, so real-time updates and long-term accuracy work together.

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What we’ll do next?

  • 1

    Contact you within 24 hours

  • 2

    Clarify your expectations, business objectives, and project requirements

  • 3

    Develop and accept a proposal

  • 4

    After that, we can start our partnership

Serhii Danyliuk

Head of Strategic Partnerships