lisnr.com valid
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\.
For agents: LISNR ultrasonic data-over-sound technology for contactless authentication and transactions for merchants, financial providers and mobility firms; Radius SDK ov
ultrasonic authenticationdata over soundcontactless paymentsradius sdkproximity marketing
- Authority
- 48 reach 7 · trust 5 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://lisnr.com/llms.txt
- Sections
- 13
- Links
- 52
- Size
- 5522 bytes
- Popularity rank
- #432091
- Country
- United States
- Categories
- Cybersecurity · Communications · Finance and payments
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- Audience
- business · agents can: read docs · en
- First seen
- 2026-10-19T10:43:15.038Z
- Last checked
- 2026-10-21T03:11:39.974Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-21T03:11:27.243Z. Cached copy · Source on lisnr.com
# 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 v28.6, 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 Releases Web SDK For Radius](https://www.businesswire.com/news/home/20251104579609/en/LISNR-and-Satsuma.ai-Partner-to-Power-Omnichannel-Agentic-Commerce-at-Scale)
- [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/)
## 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
…Related sites
Other listed sites in Cybersecurity. See the whole category →
| Domain | Title | Category | Country | Authority | llms.txt | llms-full.txt | Save |
|---|---|---|---|---|---|---|---|
| cloudflare.com | Cloudflare | interface AI and machine learning Cybersecurity +1 | 85 | ✓ | ✓ | ||
| forter.com | Forter — Identity Intelligence for Digital Commerce | interface Ecommerce Cybersecurity +1 | US | 75 | ✓ | ✓ | |
| digicert.com | DigiCert | documentation Cybersecurity Authentication and identity | US | 74 | ✓ | ||
| paloaltonetworks.com | Palo Alto Networks | documentation Cybersecurity | US | 74 | ✓ | ✓ | |
| acronis.com | Acronis | transactional Cybersecurity | US | 70 | ✓ | ✓ | |
| akismet.com | Akismet | interface Cybersecurity APIs and SDKs | US | 70 | ✓ | ||
| datadoghq.com | Datadog | interface DevOps and observability Cybersecurity | 70 | ✓ | |||
| okta.com | Okta and Auth0 Platforms | documentation Authentication and identity Cybersecurity | 70 | ✓ |
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