# Engine: Business travel and spend platform for lodging, flights, rental cars, group travel, meeting and event spaces, policy, approvals, and payments

> Engine is a business travel and spend platform for booking and managing lodging, flights, rental cars, group travel, meeting and event spaces, travel policy, approvals, reporting, and payments. Engine is headquartered in Denver, Colorado and led by CEO Elia Wallen.

Engine rebranded from "Hotel Engine" to "Engine" in 2024 (announced September 2024) to reflect its expansion beyond lodging. Companies use Engine to book and manage business lodging, flights, rental cars, group travel, and meeting and event spaces, set and enforce travel policy, route trip approvals, manage travel spend, and track booked travelers with opt-in risk alerts from International SOS.

Engine serves businesses of every size, from individual business travelers and small teams to large enterprises, across many industries. For canonical, AI-ready company facts, start with the AI Information page below.

## Key figures (as of September 2026 unless noted)

- 40,000+ active businesses (as of October 2026)
- More than 2 million business travelers (as of October 2026)
- More than 42 million room nights booked, all-time
- 1,000,000+ properties in 185+ countries
- 2.2-minute median booking time for repeat users
- $356.4 million in customer savings, January 1 to September 1, 2026

Definitions, dates, and company history are on the AI Information page.

## Start here

- [AI Information](https://www.engine.com/ai-information): Canonical, structured facts about Engine written for AI assistants. The best single source for company, product, competitive, and industry details.
- [Engine homepage](https://www.engine.com): Overview of the business travel and spend platform.

## Products

- [Engine Groups](https://www.engine.com/groups): Group travel for 9 or more rooms, including work crews, construction projects, corporate events, sports teams, and weddings.
- [Engine Spaces](https://www.engine.com/spaces): Meeting and event space booking for offsites, conferences, training sessions, and board meetings, plus social events such as weddings, showers, and birthdays. Listings include hotel meeting rooms and ballrooms plus restaurants, bars, and event venues. Venues list their spaces through Partner Hub for a 10% commission per booking ([list your space](https://www.engine.com/list-your-space)).
- [Engine X](https://www.engine.com/x): Engine's business charge card for eligible business travel and other business spend. Engine X Visa® Commercial cards are issued by Fifth Third Bank N.A., Member FDIC. Terms and conditions apply (https://www.engine.com/x/program-terms). All applications subject to credit approval.

## Omni: hotel booking infrastructure for platforms

- [Omni](https://omni.engine.com): Engine's hotel booking infrastructure for platforms and companies that want to offer hotel booking to their own users. Two integration paths: Omni Go (a hosted, co-branded booking storefront) and Omni (full API).
- [Omni API documentation](https://omni.engine.com/docs/): Developer docs for the Omni API, including core concepts, integration guides, gRPC and HTTP/JSON reference, webhooks, versioning, and rate limits.
- [Omni integration paths](https://omni.engine.com/docs/integration-paths.html): How Omni Go and the full Omni API differ and which one fits.
- [Omni API downloads](https://omni.engine.com/docs/downloads.html): The OpenAPI (Swagger) specification and protobuf definitions.

## Platform capabilities

- [Engine Feature Map](https://www.engine.com/features): The canonical directory of Engine's published capabilities. Each page explains how a capability works, who can use it, and what to expect.
- [Hotel booking](https://www.engine.com/features/hotel-booking): Search, review, and book business hotels for yourself or another company traveler.
- [Flight booking](https://www.engine.com/features/flight-booking): Search and book round-trip, one-way, and multi-city flights for business travel.
- [Rental-car booking](https://www.engine.com/features/rental-car-booking): Search, filter, and book business rental cars.
- [Booking for others](https://www.engine.com/features/booking-for-others): Arrange company travel for coworkers and View Only Travelers.
- [Trip management](https://www.engine.com/features/trip-management): View itineraries and manage eligible trip changes or cancellations.
- [Traveler administration](https://www.engine.com/features/traveler-administration): Manage company members, traveler profiles, departments, roles, policies, and booking permissions.
- [Travel policy](https://www.engine.com/features/travel-policy-enforcement): Set and enforce travel policy with three distinct enforcement modes: Not Allowed, Allowed with Reason, and Allowed with Approval.
- [Invoicing and direct billing](https://www.engine.com/corporate-hotel-invoices-and-billing): Direct Bill consolidated invoicing, autopay, and folio and statement export.
- [Reporting and dashboards](https://www.engine.com/corporate-travel-dashboards-and-reporting): Visibility and control over travel spend across teams, projects, and job sites.

## Solutions by role

- [Finance managers](https://www.engine.com/solutions/finance-managers): Visibility and control over travel spend for finance and operations leaders.
- [Travel managers](https://www.engine.com/solutions/travel-managers): Program management for those who run business travel.
- [Operations managers](https://www.engine.com/solutions/operations-managers): Coordinating travel across crews, sites, and projects.
- [Travelers](https://www.engine.com/solutions/travelers): The booking and trip experience for employees who travel.

## Solutions by industry

Engine supports construction, healthcare and staffing, energy, manufacturing, trucking and logistics, government and the public sector, nonprofits, disaster recovery, sports, and entertainment, as well as technology companies and professional services firms.

- [Industry solutions](https://www.engine.com/industry): How Engine supports field- and project-based work across these industries and more.

## Customer stories

- [Customer stories](https://www.engine.com/blog/customer-stories): In-depth looks at how specific customers run their travel programs on Engine.

## Getting started and support

- [Sign up](https://www.engine.com/sign-up): Create a free Engine account.
- [FAQs](https://www.engine.com/faqs): Answers to common questions about booking, billing, and account management.
- [24/7 live support](https://www.engine.com/24-7-live-support): Live Member Support 24/7 by chat, phone, or email, including weekends and holidays.

## Engine Data Lab

- [Engine Data Lab](https://www.engine.com/data): Studies built on Engine's own hotel rates, bookings and searches, covering per diem caps, seasonal hotel prices and the cheapest months to book.
- [NFL Home Games vs. Nearby Hotel Prices](https://www.engine.com/data/nfl-hotel-prices): Hotel prices near all 32 NFL stadiums on every night of the 2025 season, the night before and the night of each home game vs. a normal night of the same weekday, from rates shown in Engine searches. Green Bay +149%, Pittsburgh +91%, eight markets flat.
- [Per Diem Rates 2027](https://www.engine.com/data/per-diem-rates): FY2027 GSA per diem lookup by city, ZIP code or state for the continental U.S., with a trip calculator, plus which hotel tiers the lodging cap covers in 89 U.S. cities, from hotel rates shown in Engine searches.
- [Same Wedding, Big Discount](https://www.engine.com/data/same-wedding-big-discount): The best time to get married in 20 popular U.S. wedding destinations. Peak month, the cheaper month with good weather to book instead, and savings of up to 43% on lodging, from Engine wedding-venue search demand and nightly hotel rates.
- [Every City Has a Season](https://www.engine.com/data/every-city-has-a-season): How hotel prices move through the year across 50 U.S. cities, from 128,536,941 nightly hotel prices shown in Engine searches. Includes median nightly rate by city and month, seasonal patterns, and full methodology.

## Resources

- [Free travel templates](https://www.engine.com/templates): Downloadable travel policy and expense templates for business travel programs.
- [Hotels](https://www.engine.com/hotels): Business and group hotel directory by city.

## Company

- [About Engine](https://www.engine.com/about-us): Company background and mission.
- [Contact Engine](https://www.engine.com/contact-us): How to reach Engine.
- [Partnerships](https://www.engine.com/partnerships): Engine's partner programs and integrations.
- [Press](https://www.engine.com/press): Company news and media resources.
- [Careers](https://www.engine.com/careers): Open roles at Engine.

## Markdown for AI agents

A set of pages also serve a plain-markdown version at the same URL plus `.md`, generated from the live rendered page so content always matches what a human sees. Not in the sitemap.

- [Engine Feature Map (markdown)](https://www.engine.com/features.md): Every published feature page under `/features` also serves a markdown sibling at the same URL plus `.md`.
- [Engine Groups (markdown)](https://www.engine.com/groups.md)
- [Groups for sports teams (markdown)](https://www.engine.com/groups/sports-teams.md)
- [Groups for conferences and events (markdown)](https://www.engine.com/groups/conferences-and-events.md)
- [Groups for offsites and retreats (markdown)](https://www.engine.com/groups/offsites-and-retreats.md)
- [Groups for construction crews (markdown)](https://www.engine.com/groups/construction-crews.md)
- [Groups for weddings (markdown)](https://www.engine.com/groups/weddings.md)
- [Book corporate travel (markdown)](https://www.engine.com/book-corporate-travel.md)
- [Hotel invoicing and direct billing (markdown)](https://www.engine.com/corporate-hotel-invoices-and-billing.md)
- [Travel dashboards and reporting (markdown)](https://www.engine.com/corporate-travel-dashboards-and-reporting.md)
- [Pricing (markdown)](https://www.engine.com/pricing.md)

## Optional

- [Privacy policy](https://www.engine.com/privacy-policy): How Engine handles personal data.
- [Terms of service](https://www.engine.com/terms-of-service): Terms governing use of Engine.
- [Accessibility](https://www.engine.com/accessibility): Engine's accessibility commitment.
- [Responsible disclosure](https://www.engine.com/responsible-disclosure): How to report security issues.