# LISNR: Ultrasonic Authentication \& Data Over Sound Leader

> Contactless Authentication\. LISNR's ultrasonic data\-over\-sound technology enables contactless transactions for merchants, financial service providers and mobility companies\.

Generated by Yoast SEO v28.5, this is an llms.txt file, meant for consumption by LLMs.

## Pages
- [Product Demos](https://lisnr.com/product-demos/)
- [Ultrasonic Technology Overview: Radius SDK](https://lisnr.com/ultrasonic-technology-overview-radius/)
- [Quest Customer Engagement Platform](https://lisnr.com/quest-customer-engagement-platform/)
- [Home](https://lisnr.com/)
- [Education Technology](https://lisnr.com/in-action/education-technology/)

## Landing Pages
- [Thank You](https://lisnr.com/thank-you-newsletter/)
- [Thank You](https://lisnr.com/lp-thank-you/)
- [Thank You](https://lisnr.com/thank-you-download/)
- [Thank You](https://lisnr.com/thank-you-free-trial/)
- [Thank You](https://lisnr.com/thank-you-try-lisnr/)

## Landing Pages
- [ultrasound\-sdk\-radius3\-release\-event](https://lisnr.com/ultrasound-sdk-radius3-release-event/)
- [breaking\-the\-ticket\-ticketmaster\-lisnr\-case\-study](https://lisnr.com/breaking-the-ticket-ticketmaster-lisnr-case-study/)
- [5\-ways\-mobile\-apps\-are\-driving\-qsr\-innovation](https://lisnr.com/5-ways-mobile-apps-are-driving-qsr-innovation/)
- [mobility\-mini\-whitepaper](https://lisnr.com/mobility-mini-whitepaper/)
- [kab](https://lisnr.com/kab/)

## Newsroom
- [LISNR and Satsuma\.ai Partner to Power Omnichannel Agentic Commerce at Scale](https://www.businesswire.com/news/home/20251104579609/en/LISNR-and-Satsuma.ai-Partner-to-Power-Omnichannel-Agentic-Commerce-at-Scale)
- [PEM Media Agency and LISNR Transform Bogotá Transit Into a Real\-Time Promotions Platform](https://www.prweb.com/releases/pem-media-agency-and-lisnr-transform-bogota-transit-into-a-real-time-promotions-platform-302491870.html)
- [LISNR Announces Release Date for Radius 3\.1](https://lisnr.com/company/newsroom/lisnr-announces-release-date-for-radius-3-1/)
- [LISNR® Acquires Arden Labs](https://lisnr.com/company/newsroom/lisnr-acquires-arden-labs-gamified-consumer-engagement-platform/)
- [LISNR Welcomes Dustin Young and Andrew White to Board of Advisors](https://lisnr.com/company/newsroom/lisnr-welcomes-dustin-young-and-andrew-white-to-board-of-advisors/)

## Blog
- [The Rise of Successful Web Applications \& Exploring the Next Horizon](https://lisnr.com/resources/blog/the-rise-of-successful-web-applications-exploring-the-next-horizon/)
- [Presence\-Based Rewards and Visitor Loyalty](https://lisnr.com/resources/blog/presence-based-rewards-and-loyalty/)
- [Radius Web SDK Powering the Upsell in Proximity Marketing](https://lisnr.com/resources/blog/reach-customers-without-app-downloads/)
- [How Mobility Leaders Turn Idle Ride Time into Opportunity](https://lisnr.com/resources/blog/how-mobility-leaders-turn-idle-ride-time-into-opportunity/)
- [Signal to Sale: How Ultrasonic Tech is Solving Retail’s Attribution Problem](https://lisnr.com/resources/blog/signal-to-sale-how-ultrasonic-tech-is-solving-retails-attribution-problem/)

## Resources
- [Article: How to Send and Receive Data, Payments, and More Using Ultrasonic Technology\.](https://lisnr.com/resources/content/how-to-send-and-receive-data-payments-and-more-using-ultrasonic-technology/)
- [Free E\-Book: Is Sound The QR Code Killer?](https://lisnr.com/resources/content/is-sound-the-qr-code-killer-free-e-book/)
- [Free E\-Book: 5 ways mobile apps are driving QSR innovation](https://lisnr.com/resources/content/free-e-book-5-ways-mobile-apps-are-driving-qsr-innovation/)
- [Free Whitepaper: Why Merchants Should Own The Payment Micro\-Moment](https://lisnr.com/resources/content/free-whitepaper-why-merchants-should-own-the-payment-micro-moment/)
- [LISNR Named \#1 Solution to Uber \& Lyft Safety Issue](https://lisnr.com/resources/content/2079/)

## Team Members
- [Oz Mendel](https://lisnr.com/company/team/oz/)
- [Daniel Quintans](https://lisnr.com/company/team/daniel-quintans/)
- [Paul Dehmer](https://lisnr.com/company/team/paul/)
- [Warren Williams](https://lisnr.com/company/team/warren-williams/)
- [Kristina Shaffer](https://lisnr.com/company/team/kristina-shaffer/)

## Solutions
- [Retail](https://lisnr.com/solutions/retail/)
- [Finance](https://lisnr.com/solutions/payment-solutions/)
- [Mobility](https://lisnr.com/solutions/transit-technology-for-urban-mobility-leaders/)
- [Mass Market Retailers](https://lisnr.com/solutions/mass-market-retailers/)
- [Mobility](https://lisnr.com/solutions/mobility-solutions/)

## Products
- [Radius 2\.0](https://lisnr.com/products/radius-ultrasonic-sdk-2/)
- [Point](https://lisnr.com/products/point/)

## Awards
- [Mondelēz Mobile Futures Selectee](https://lisnr.com/?post_type=awards&p=5732)
- [TiE top 50 startups; Finalist](https://lisnr.com/?post_type=awards&p=5731)
- [Midem Lab Finalist](https://lisnr.com/?post_type=awards&p=5730)
- [CBS, Local Innovation Demo Day Winner](https://lisnr.com/?post_type=awards&p=5729)
- [Venture Ohio, Early Stage Financing of the Year Award](https://lisnr.com/?post_type=awards&p=5728)

## Notifications
- [Page Published](https://lisnr.com/?post_type=notification&p=7777)
- [Post Published](https://lisnr.com/?post_type=notification&p=7776)

## Team Members
- [Leadership \& Key People](https://lisnr.com/team-member/leadership_key/)
- [Others](https://lisnr.com/team-member/others/)

## Optional
- [Sitemap index](https://lisnr.com/sitemap_index.xml)