# Engine > Every booking, on any platform runs on Engine. Engine is the business travel and spend platform for teams and the agents booking on their behalf. Hotels, flights, cars and meeting spaces, booked with company policy and the traveler's profile intact, then paid for on the Engine X card or Direct Bill. Free to use: no contracts, minimums, annual fees or setup costs. This file is the Engine website in one place, written for AI agents and the people who use them. ## At a glance - 40,000+ businesses and 2M+ travelers book on Engine. 1,000+ new companies join every month. - 100,000+ direct hotel partners, 1M+ properties in 185+ countries. 30M+ hotel nights booked. - Book in as little as 2.5 minutes, versus 45 minutes on legacy platforms. - 12.5% average hotel savings, up to 70% in select cases. Customers saved $318M in 2025. - 24/7 support at no extra cost. A person answers the phone in about 20 seconds. Engine's AI resolves 60% of chats and 30% of calls on its own. ## Book with your own agent Book, change and cancel travel from ChatGPT, Claude, Gemini, Grok, Muse, Copilot or any MCP client. Bring your own assistant: Engine doesn't need to be the interface. - Every agent booking uses the traveler's profile (loyalty numbers, preferences) and the company's travel policy (nightly caps, approvals), same as the app. - Payment goes to Engine X or Direct Bill. Every booking and change is logged, and receipts land on the monthly statement. - Connect through Engine MCP, or build on the Engine API (Omni). More: [Engine for agents](https://engine.com/platform/agents) ## Travel - **Hotels, flights, cars and spaces** in one search. 81% of travelers book one of Engine's top three recommendations. - **Savings as a service.** If the price drops after you book, you get the difference back, automatically. - **Engine Rewards** stack on top of your existing hotel, airline and car loyalty. - **FlexPro.** Change or cancel any booking up to the last minute, no fees. $299/month or $2,999/year. Returned $160M to businesses in 2025. With Flex and FlexPro, 100% of rooms are refundable. - **Policy and approvals.** Set travel policy once for the whole org. Trips outside policy route to the right person. Spend is visible in real time. More: [Travel programs](https://engine.com/platform/product/travel-programs), [Product](https://engine.com/platform/product) ## Groups and spaces - **Engine Groups.** White-glove group travel for 9 to 9,000 rooms, extended stays and events, from the largest group travel marketplace in the country. Send one request; hotels respond through Engine's proprietary extranet and Engine negotiates. Saves 50 to 70 hours per booking. - **Engine Spaces.** 40,000+ professional meeting and work spaces, bookable by the hour or the day, in the same account you book travel with. More: [Group room blocks](https://engine.com/platform/product/group-room-blocks), [Event planning](https://engine.com/platform/product/event-planning), [Meeting spaces](https://engine.com/platform/product/meeting-spaces) ## Spend - **Engine X**, the business charge card on Visa. Up to 10% back on hotels and cars booked on Engine, 1.5% on everything else. No annual fee, no personal credit check. Instant virtual cards, metal cards for the team, spend controls synced with travel policy. - **Direct Bill.** A line of credit to book travel on Engine, with consolidated invoicing. - **One monthly statement** for travel and card spend. - **Integrations** with dozens of ERP, HRIS and workplace tools, like Concur, QuickBooks, NetSuite, Sage, Workday, ADP and BambooHR. More: [Spend management](https://engine.com/platform/product/spend-management) ## Pricing - **Engine:** free. Unlimited travel and cards. - **Engine One:** $10 per card per month plus a booking fee based on team size, for teams that want travel and spend run as one managed program. Adds unused travel reimbursement and unlimited metal cards. - **Enterprise:** custom, for teams that need full customization from policy to integrations. How Engine stays free: it's paid by the hotels and card networks it works with, and charges a small fee for flights. More: [Pricing](https://engine.com/platform/pricing) ## Build on Engine **Omni**, Engine's hotel booking API, is the infrastructure any travel product can run on: direct contracts, room-level content, real-time pricing and availability, payments and 24/7 traveler support. - **Omni Go:** hosted and co-branded. Your logo and domain, Engine runs booking, payments and support. Live within a week. - **Omni:** the full API. You own the experience from workflow to payment. Live in about 45 days. - Free to integrate, with revenue share on every booking and no volume minimums. Navan and Trimble build on Engine. Docs: [omni.engine.com/docs](https://omni.engine.com/docs/). More: [Engine API](https://engine.com/platform/omni), [TMCs](https://engine.com/platform/network/tmcs) ## For hotels, partners and advisors - **Hotels** join free, set discounts for Engine travelers, answer group opportunities and pay only when they advertise. [Hotels](https://engine.com/platform/network/hotels) - **Partners** give their customers Engine as a perk and reach Engine customers in return. [Partners](https://engine.com/platform/partners) - **Independent advisors** book their clients on Engine's rates and earn on the travel they book. [Advisors](https://engine.com/platform/network/advisors) ## Company Engine's mission is to power the future of travel. [About](https://engine.com/platform/about), [Customers](https://engine.com/platform/customers), [Careers](https://engine.com/platform/careers)