Millions of hotels, many providers, one fast booking platform | Primevise

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# Millions of hotels, many providers, one fast booking platform

Building trip1's booking platform: millions of hotels from many inventory providers, consolidated, kept clean and fast at scale.

[Visit website](https://trip1.com)

trip1 — Ruby on Rails, TanStack, Platform Development, Data Engineering, Performance Engineering

## Overview

trip1 is a hotel booking platform. Behind a single search-and-book experience sits enormous inventory — millions of hotels, tens of millions of rooms, and hundreds of millions of rates and images, drawn from several providers.

We built the platform from the ground up with trip1's in-house team, and continue to build it with them today.

## Challenge

Scale is easy to state and hard to survive. trip1's catalogue runs to millions of hotels, tens of millions of rooms, and hundreds of millions of rates and images — sourced from several inventory providers that rarely agree on format, freshness or truth. The platform had to consolidate all of it into one coherent catalogue, keep that data pristine and usable, drive genuinely complex booking flows on top of it, and stay fast throughout. None of those is optional: a booking platform that is accurate but slow, or fast but wrong, fails.

## Approach

### One clean catalogue from many providers

We consolidated multiple inventory providers into a single catalogue, and invested heavily in the data engineering underneath it — cleaning, reconciling and validating rooms, rates and images so that what the platform stores is high-integrity and usable, not merely present. At this volume, data quality is not a one-time step; it is a system that runs continuously.

### Fast at scale

Hundreds of millions of rates sit behind a search that has to feel immediate. Performance was treated as a requirement of the product, not a tuning pass at the end — the platform is engineered to hold speed at full catalogue volume.

### Built with the team, on Rails and TanStack

We built the platform alongside trip1's own engineers, not at arm's length. It runs on Ruby on Rails with a TanStack frontend; the frontend began on Next.js and moved to TanStack as the product's needs sharpened. On top of the data layer sit trip1's booking flows — genuinely complex, full of the edge cases a real hotel marketplace throws up — built to stay reliable as the catalogue and its rules keep growing.

## Outcome

trip1 runs on this platform today: millions of hotels from multiple providers, consolidated into one catalogue, searchable and bookable at speed. We continue to build it with trip1's team — the engagement has never stopped.

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