The project dashboard is a free tool that is only available to verified hoteliers to make adopting new technology easier by streamlining their research and simplifying their communication workflow.
TLDR
We analyzed 131 verified hotelier reviews, compared feature sets, pricing, and real-world case studies to break down where each platform delivers. The right choice depends on your property type and priorities:
Onyx CenterSource shines .
Sertifi by Flywire shines in ease of use and customer support — especially for brand properties (0.0/5) , with exclusive features like Payment Tokenization and 3-D Secure Payments.
Side-by-side ratings based on 131 verified hotelier reviews on HTR.
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| Starting Price | Contact sales | From $100/mo |
| Verified Reviews | 0 | 131 |
After analyzing 131 verified reviews, Onyx CenterSource users most value its , while Sertifi by Flywire users highlight ease of use, payment processing efficiency, security measures. Click any theme to see what reviewers say.
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Ease of Use
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Payment Processing Efficiency
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Security Measures
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Document Management
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Integration with Other Systems
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User Role Management
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Customizability
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How each product ranks among Payments Processing Software vendors for different property sizes, types, and regions — based on verified reviews from hoteliers in each segment.
By Hotel Size
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| Small (10-24 rooms) | — | #5 1 reviews |
| Mid-Size (25-74 rooms) ▾ | — | #1 36 reviews |
| Large (75-199 rooms) ▾ | — | #1 63 reviews |
| X-Large (200+ rooms) ▾ | — | #1 29 reviews |
By Property Type
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| Boutique ▾ | — | #1 35 reviews |
| Luxury ▾ | — | #1 61 reviews |
| Branded / Chain ▾ | — | #1 86 reviews |
| Extended Stay ▾ | — | #2 9 reviews |
By Region
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| North America ▾ | — | #1 121 reviews |
| Europe | — | #4 1 reviews |
| Asia Pacific | — | #1 1 reviews |
| Middle East ▾ | — | #1 5 reviews |
Choosing between Onyx CenterSource and Sertifi by Flywire for your hotel’s payment processing needs hinges on your specific operational priorities. Both aim to streamline payments, but they serve distinctly different functions: Onyx focuses on B2B payments and business intelligence, while Sertifi specializes in payment collection and eSignatures. Your choice will depend on whether your hotel needs broad financial solutions or a streamlined, secure payment and agreement platform.
Onyx CenterSource's global reach and extensive industry partnerships position it as a heavyweight in hospitality payments, but it lacks recent reviews and user feedback. Sertifi by Flywire, with over 129 reviews and a recent 94% likelihood to recommend, demonstrates a more active, trusted presence among hoteliers. Which platform aligns best with your hotel’s immediate goals?
Both products aim to simplify hotel payments, but they do so from different angles. Onyx CenterSource primarily offers B2B solutions—handling commission payments and business intelligence—while Sertifi centers on fast, secure guest payments and digital agreements. If your hotel is looking for a broad financial ecosystem with global connectivity, Onyx might seem appealing, but its lack of recent reviews raises questions about current usability.
Sertifi, on the other hand, is actively used by over 20,000 hospitality businesses, with high ratings across ease of use, support, and value. Its recent reviews confirm strong customer satisfaction, particularly in streamlining payment collection and agreements. Do you want a comprehensive B2B platform or a focused guest payment solution?
If your hotel primarily needs fast, secure payment collection and contract management, Sertifi is the clear choice. Its focus on PCI compliance, multi-currency support, and integrations like Salesforce and Opera make it ideal for hotels wanting to close deals faster and reduce administrative burdens.
Conversely, if your hotel requires a robust B2B payments system that manages commissions and provides detailed analytics across multiple countries, Onyx might seem suitable. However, given the absence of recent reviews and a low HTScore, Sertifi's proven recent performance makes it the safer, more reliable pick today.
Sertifi significantly outperforms Onyx in user experience, with a 4.78/5 ease-of-use rating backed by 129 recent reviews, many praising its intuitive interface and quick onboarding. Hotel staff find it straightforward to send and receive payments and documents, with minimal training required. Some reviews mention the outdated interface but still emphasize its reliability, leading to high user satisfaction.
Onyx, rated 0/5 and with no recent reviews, offers no clear indication of its ease of use. Its UI appears outdated, and the lack of recent feedback suggests limited ongoing support or updates. Edge: Sertifi.
Sertifi packs 20 features, including Payment Tokenization, 3-D Secure Payments, PCI Compliance, Multi-Currency Settlements, Refund Management, and integrations with platforms like Stripe and Amadeus—features that enhance security and operational flexibility. These functionalities are highly valued by users seeking a comprehensive guest payment solution.
Onyx, with no exclusive features listed, mainly offers B2B payment and business intelligence solutions, such as its CommPay system for commission payments. While suitable for large-scale hotel chains managing complex payments, Sertifi’s richer feature set provides more practical benefits for daily hotel operations. Edge: Sertifi.
Sertifi’s support scores 4.59/5, with reviews praising its quick, responsive team that resolves issues efficiently. Customers appreciate the onboarding process, citing clear guidance and ongoing assistance, which helps hotels adopt the platform smoothly.
Onyx’s support ratings are unavailable, and no recent reviews are accessible to gauge its service quality. Given Sertifi’s high and recent support ratings, it clearly leads here. Edge: Sertifi.
Sertifi offers 7 verified integrations, including Salesforce, Opera, Stripe, Amadeus, and Infor, which streamline workflows with popular hotel management systems. Its multi-platform connectability allows hotels to embed payment and agreement functions into existing systems easily.
Onyx’s integrations are limited to Shiji Group and Stayntouch, with no recent updates or additional partnerships. Its narrower integration scope makes Sertifi the more versatile choice for hotels seeking seamless connectivity. Edge: Sertifi.
Sertifi boasts a 94% likelihood to recommend based on 129 recent reviews, with positive feedback across all segments, especially in luxury and branded hotels. Its high rating reflects strong user satisfaction in ease of use, support, and features.
Onyx, with no recent reviews and a zero HTScore, cannot be rated by users currently. Given the active, positive recent feedback for Sertifi, it is clearly the preferred option among hoteliers today.
Onyx does not publish transparent pricing, and its pricing model remains unclear, which may be a concern for some hotels. In contrast, Sertifi charges a straightforward base fee of $100 per month, with no mention of additional setup or hidden costs, making it easier to budget.
While Sertifi’s fee is predictable, hotels should verify if additional transaction costs apply based on their volume. Overall, Sertifi’s transparent pricing enhances its value proposition.
Not ideal if your hotel primarily seeks guest-facing payment solutions or quick deployment.
Not ideal if your hotel requires extensive B2B commission management or detailed analytics outside payment collection.
The core difference is that Sertifi focuses on simplifying guest payments and agreement workflows, while Onyx provides broad B2B financial solutions. If your hotel’s priority is quick, secure, and easy-to-use payment collection, Sertifi is the superior choice.
Choose Onyx if your hotel operates globally with complex commission structures and needs detailed business analytics, but note the lack of recent user feedback. For most hotels seeking a reliable, user-rated platform, Sertifi’s recent reviews and feature set make it the clear winner.
In summary, Sertifi’s high user ratings, active presence, and extensive features make it the recommended choice for hotels today. Onyx’s offerings may suit specific large-scale B2B needs but lack recent validation from hotel users.
Note: This comprehensive comparison is based on current data, reviews, and feature analysis. Hotel operators should verify specific pricing and integration details directly with vendors before making a final decision.
Payments Processing Software pricing is rarely straightforward. Here is what we know from each vendor's public pricing data. Always request a custom quote for your property size.
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| Starting Price | — | From $100/mo |
According to HTR's product database, Onyx CenterSource and Sertifi by Flywire (Payments) share 0 features. Here are the key differences — features one has that the other lacks.
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| 3-D Secure Payments | ||
| Accepts American Express | ||
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| Pay by Link | ||
| Payment Tokenization | ||
| Pre-Authorizations |
Showing top differences. 8 more features differ between these products.
What hoteliers love
Sertifi is frequently highlighted for its user-friendly interface, making it simple for both hotel staff and clients to navigate. The reduction in tim... Sertifi is frequently highlighted for its user-friendly interface, making it simple for both hotel staff and clients to navigate. The reduction in time and effort required for training new users is appreciated, simplifying the onboarding process.
Sertifi's payment processing is praised for its speed and efficiency, allowing clients to make payments quickly and securely. The ability to set up pa... Sertifi's payment processing is praised for its speed and efficiency, allowing clients to make payments quickly and securely. The ability to set up payment schedules and send secured payment links is seen as a significant time-saver, allowing hotels to reduce administrative tasks and increase cash flow.
Users consistently commend Sertifi for its strong security features, which are crucial for handling sensitive payment data. The PCI compliance ensures... Users consistently commend Sertifi for its strong security features, which are crucial for handling sensitive payment data. The PCI compliance ensures that transactions are secure, making both customers and hotels feel confident in processing payments through the system.
Where hoteliers push back
Many users appreciate Sertifi's integration capabilities with systems like Salesforce and Opera, which streamline operations by reducing the need for... Many users appreciate Sertifi's integration capabilities with systems like Salesforce and Opera, which streamline operations by reducing the need for manual entries and checks.
There are critical mentions regarding the management of user roles, such as difficulties in revoking user access after leaving a company. Users sugges... There are critical mentions regarding the management of user roles, such as difficulties in revoking user access after leaving a company. Users suggest improvements for handling permissions and user deactivation.
Unique capabilities
Where the ratings diverge most
It depends on your requirements. Onyx CenterSource and Sertifi by Flywire (Payments) share many core Payments Processing Software features, but each has unique capabilities. Onyx CenterSource offers 2 verified integration partners, while Sertifi by Flywire (Payments) offers 7. Review the feature comparison above to see where they differ before switching.
Small hotels should prioritize ease of use and fast onboarding. Sertifi by Flywire (Payments) leads in ease of use at 4.8/5 vs 0.0/5. Look for transparent pricing and a trial or demo option. Filter reviews on each product page by property size to hear from hotels like yours.
Onyx CenterSource: No. Sertifi by Flywire (Payments): No. Neither product currently offers a free tier. Most Payments Processing Software vendors offer demos or trials — request one from each to evaluate before committing.
The HT Score is a composite ranking that considers 4 criteria groups and over a dozen variables to help hoteliers objectively compare hotel technology products. Onyx CenterSource has an HT Score of 0 and Sertifi by Flywire has 94. Here is how the score is calculated.
| Criteria Group | Weight | What It Measures |
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| Customer Ratings & Reviews |
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How highly do users recommend this product? Ratings Score, Review Volume, Share of Voice, Review Depth, Review Recency, Success Stories ▾ The most heavily weighted factor. Analyzes average satisfaction ratings (likelihood to recommend, ease of use, support, ROI), total review count relative to category peers, review recency (at least 20 reviews in the trailing 6 months), and share of voice across unique hotel clients to detect selection bias. |
| Partner Ecosystem |
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How highly do tech partners recommend this company? Partner Recommendations, Integration Quantity, Integration Quality ▾ Evaluates partner recommendations as expert votes of confidence, the number of verified integrations, and ecosystem quality — the average HT Scores of integration partners. Products with higher-quality integration ecosystems are more likely to deliver a connected tech stack. |
| Customer Centricity |
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How customer-centric is this organization? Certified Support, Review Consistency, Profile Completeness ▾ Assesses whether the company has earned HTR Customer Support Certification, maintains consistent review collection over time (an indicator of feedback-driven culture), and keeps product profiles complete with capabilities, screenshots, pricing, and features. |
| Reach, Staying Power & Resources |
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How extensive is this company's reach and resourcing? Geographic Reach, Staying Power, Company Resources, Trending Score ▾ Measures global presence (countries and regions served), years in business as a stability proxy, team headcount as a resource proxy, and a trending score based on trailing-twelve-month buyer inquiries, reviews, partner recommendations, and press activity. |
Customer ratings and reviews are by far the most important factor in the HT Score algorithm. HTR does not accept payment for higher rankings. All reviews are verified — only hotel industry practitioners with confirmed affiliations can submit ratings. View full HT Score methodology →
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