HM One Step Checkout replaces the WHMCS default multi-step cart with a clean, fast, single-page checkout experience. Customers configure their product, add a domain, review their order, and complete payment — all without leaving one page.

Every feature is designed to reduce drop-off, increase annual plan uptake, and give hosting businesses full control over their checkout without touching template files or writing code.

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SINGLE-PAGE CHECKOUT FLOW

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Everything a customer needs to complete an order is on one page — no back-and- forth between cart steps. A live order summary updates in real time as options are selected, so customers always know exactly what they are buying.

Auto-redirect from standard WHMCS cart pages keeps the experience seamless: product store pages, product configuration, domain configuration, and view cart all route to the single-page checkout automatically when the cart has items.

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BATCH TLD DOMAIN SEARCH

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Customers search across multiple TLDs at once — .com, .net, .org, and more — in a single search. Configure how many TLDs display per batch. Reduce the time between "I want a domain" and "domain registered."

• Domain Spotlights — highlight specific TLDs prominently to promote premium or newly launched extensions at exactly the right moment in the search
• AI domain suggestions — when a first-choice domain is taken, the order form automatically suggests relevant available alternatives, keeping customers in checkout rather than leaving to search elsewhere

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BILLING CYCLE COMPARISON & SAVINGS BADGES

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The order form automatically highlights the longest billing cycle and shows customers exactly how much they save compared to monthly — a proven technique for increasing annual plan uptake and customer lifetime value.

• Savings badge displayed on the recommended cycle — "Save 20%" or "Best value"
• Customers respond to visible savings; this badge measurably increases annual plan selection rates
• Auto-selects the longest billing cycle by default (configurable)
• Shows price comparison across all cycles in a clean side-by-side layout

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VPS & SERVER PRODUCT CONFIGURATOR

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Build dedicated server and VPS order forms with grouped configurable options — RAM, CPU, storage, and location — each with sub-options, bundle names, and custom sort order. Customers configure exactly what they need before completing checkout. No additional plugin required.

• Grouped option display (e.g., RAM: 4 GB / 8 GB / 16 GB as selectable cards)
• Sub-option groups with bundle names and custom sort order
• Live order total updates as configuration options are selected
• Works alongside all standard WHMCS configurable option types

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BUILT-IN COUPON FIELD

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Promo code input is built directly into the checkout page. Customers never need to hunt for where to apply a discount code — it is always visible. WHMCS promotions apply automatically with no extra configuration.

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CUSTOM PAYMENT GATEWAY LOGOS

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Replace WHMCS default gateway icons with your own premium branded logos. Upload once to the Media Library — displayed automatically on the checkout payment step for every customer.

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PRICE DISPLAY CONTROL

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• Control price suffix labels across the entire order form
• Configure zero value display (show or hide free/zero-price items)
• Control domain pricing, add-on prices, and configurable option prices
• All managed from one settings panel — zero code required

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SEO SETTINGS PER PRODUCT

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• Set a custom SEO title for every product order page
• Customers searching for your specific plans find them directly in search results without any additional SEO plugin

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MEDIA LIBRARY

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A centralised, categorised image library for all checkout assets — payment gateway logos, add-on icons, and configurable option images. Upload once and reuse across the entire order form from a single panel.

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LANGUAGE MANAGER

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Override any WHMCS language string on the order form directly from the admin panel. Customise button labels, field names, and messages for your specific audience without editing any template files. Changes sync automatically.

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REQUIREMENTS

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• WHMCS 8.x or newer
• PHP 7.4, 8.0, 8.1, or 8.2
• Works with any WHMCS client theme (no theme dependency)