Google Sign-in
Naver
Clerk
NextAuth.js
Adobe IDP
Adobe Identity Management
Linkedin Sign-in
Duo Security
Digest
Firebase UI
Apple Sign-in
Stytch
Sales outreach
All 10,656 of these sites already run U2F API (u2f-api.js), with the it services and it consulting segment leading at 225 sites. Pitch the products and services that fit that exact stack.
Websites using U2F API (u2f-api.js)
Security & Compliance Authentication Software Visit website
U2F API (u2f-api.js) is a JavaScript library that implements the FIDO U2F specifications for two-factor authentication.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 10,656
- Countries with usage
- 140
- Top market: United States
- 🇺🇸 27.6%
U2F API (u2f-api.js) global heatmap
darker = more sitesU2F API (u2f-api.js) usage by country
by sites detected-
01 🇺🇸 United States 2,737 27.6%
-
02 🇩🇪 Germany 1,410 14.2%
-
03 🇷🇺 Russia 936 9.4%
-
04 🇫🇷 France 732 7.4%
-
05 🇧🇷 Brazil 362 3.6%
-
06 🇬🇧 United Kingdom 279 2.8%
-
07 🇳🇱 Netherlands 279 2.8%
-
08 🇨🇦 Canada 222 2.2%
-
09 🇮🇩 Indonesia 197 2%
-
10 🇨🇳 China 168 1.7%
And 130 more countries in the full dataset.
Need every U2F API (u2f-api.js) site in one market? Unlock U2F API (u2f-api.js) once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moU2F API (u2f-api.js) usage by country group
by sites detected-
01 Europe 47 countries 5,096 51.3%
-
02 English-Speaking Countries 26 countries 3,650 36.8%
-
03 European Union (EU) 26 countries 3,601 36.3%
-
04 Western Europe 21 countries 3,548 35.7%
-
05 North America 5 countries 2,963 29.9%
-
06 BRICS 10 countries 1,709 17.2%
-
07 DACH 4 countries 1,597 16.1%
-
08 Eastern Europe 23 countries 1,544 15.6%
-
09 Asia-Pacific (APAC) 23 countries 952 9.6%
-
10 French-Speaking Countries 15 countries 916 9.2%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 9,926 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using U2F API (u2f-api.js)
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 | vpn48.ru | 17,036 | $1.22K+ | 🇷🇺 Russia | ru |
| 02 |
 bitfinex.com
|
23,726 | $63.71K+ | 🇺🇳 British Virgin Islands | com |
| 03 |
 plusline.net
|
26,333 | $100K+ | 🇩🇪 Germany | net |
| 04 |
 netpoint-dc.com
|
67,401 | $5.44K+ | 🇷🇺 Russia | com |
| 05 | mosigra.su | 75,700 | $19.4K+ | 🇺🇸 United States | su |
| 06 |
 cellshop.com
|
80,577 | $6.58K+ | 🇺🇳 Paraguay | com |
| 07 |
 kotnauction.com
|
86,180 | $1.33K+ | 🇨🇦 Canada | com |
| 08 |
 tintinger.org
|
108,677 | $3.23K+ | 🇫🇷 France | org |
| 09 |
 opsramp.com
|
117,164 | $16.97K+ | 🇺🇸 United States | com |
| 10 |
 it-algorithm.ru
|
134,352 | $2.82K+ | 🇷🇺 Russia | ru |
| 11 |
 itadvisor.pro
|
136,355 | $8.92K+ | 🇷🇺 Russia | pro |
| 12 | npp-esso.ru | 140,977 | $2.95K+ | 🇷🇺 Russia | ru |
| 13 | abisys.ru | 147,981 | $6.82K+ | 🇷🇺 Russia | ru |
| 14 |
 ucertify.com
|
149,464 | $103K+ | 🇺🇸 United States | com |
| 15 |
 meublesrd.com
|
152,626 | $66.1K+ | 🇨🇦 Canada | com |
| 16 |
 telemedconnect.ru
|
161,152 | $8.42K+ | 🇷🇺 Russia | ru |
| 17 | haisoft.fr | 171,348 | $2.84K+ | 🇫🇷 France | fr |
| 18 | purplepanda.cc | 174,793 | $4.8K+ | 🇳🇱 Netherlands | cc |
| 19 |
 dias.com.gr
|
177,719 | $37.73K+ | 🇬🇷 Greece | gr |
| 20 |
 ica.dog
|
179,242 | $2.4K+ | 🇺🇸 United States | dog |
This is 20 of 10,656 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using U2F API (u2f-api.js)
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Cartama |
 cartama.com
|
1001-5000 | Farming | 🇨🇴 Colombia | 2000 |
| Xxvistaraxx | vistarait.com | 51-200 | computer software | 🇺🇸 United States | 2014 |
| BDGroup |
 bdgroup.co.za
|
10001+ | Technology, Information and Internet | 🇺🇳 - | 2016 |
| Toggenburger & Co AG Autokrane &… |
 toggenburger.ch
|
- | - | 🇨🇭 Switzerland | - |
| Town Writers | townwriters.com | 201-500 | Real Estate | 🇪🇬 Egypt | - |
| 3PEAKS TECH |
 3peaks.tech
|
1-10 | IT Services and IT Consulting | 🇹🇼 Taiwan | 2024 |
| The Israeli Association Of Public Health |
 aguda.co.il
|
501-1000 | Public Health | 🇮🇱 Israel | 1972 |
| SEVEN WAYS ENVIRONMENTAL SERVICES LIMITED |
 sevenways.co.uk
|
11-50 | Environmental Services | 🇬🇧 United Kingdom | 2001 |
| Carolina Restaurant Group |
 classicburgers.com
|
5001-10000 | Food & Beverages | 🇺🇸 United States | 1991 |
| MK METALFREE |
 mk-versuchsanlagen.de
|
201-500 | Industrial Machinery Manufacturing | 🇩🇪 Germany | 1988 |
| PT Danamas Insan Kreasi Andalan (DIKA) | ptdika.com | 1001-5000 | Outsourcing and Offshoring Consulting | 🇮🇩 Indonesia | 2012 |
| Corob |
 corob.com
|
501-1000 | machinery | 🇮🇹 Italy | 1984 |
| B.T. SYSTEM SRLS |
 bt-system.it
|
- | - | 🇺🇳 - | - |
| NYSARC, Inc |
 nysarc.org
|
10001+ | Individual and Family Services | 🇺🇳 - | 1949 |
| Radio Grupo Alius |
 grupoalius.com
|
51-200 | Advertising Services | 🇬🇹 Guatemala | 1963 |
| Saving Lives |
 savinglivesuk.com
|
11-50 | Alternative Medicine | 🇬🇧 United Kingdom | - |
| NovaPC |
 novapc.com.br
|
1-10 | Technology, Information and Internet | 🇧🇷 Brazil | 2000 |
| Instituto Superior De Informática Virasoro |
 isiv.edu.ar
|
5001-10000 | Higher Education | 🇺🇳 - | 1995 |
| Integne |
 integne.pl
|
- | IT Services and IT Consulting | 🇺🇳 - | - |
| Batty Joinery Manufacturers |
 battyjoinery.co.uk
|
11-50 | Building Materials | 🇬🇧 United Kingdom | 1919 |
| Ptn Computer Sales Service |
 ptncomputers.com
|
1-10 | Computer and Network Security | 🇺🇸 United States | - |
| Vietnam National Textile And Garment Group |
 vinatex.com.vn
|
10001+ | Textile Manufacturing | 🇻🇳 Vietnam | 1995 |
| Kotlozavod Kriger Llc |
 kriger.com.ua
|
201-500 | Mechanical Or Industrial Engineering | 🇺🇦 Ukraine | 1999 |
| Pt. Toppan Plasindo Lestari |
 plasindolestari.co.id
|
1001-5000 | packaging and containers | 🇮🇩 Indonesia | 1985 |
| EGM Architects |
 egm.nl
|
51-200 | Architecture and Planning | 🇳🇱 Netherlands | 1974 |
| Russian Transport Lines |
 rtlgroup.ru
|
501-1000 | Transportation, Logistics, Supply Chain and Storage | 🇷🇺 Russia | 2004 |
| Perto S.a. |
 perto.com.br
|
1001-5000 | electrical/electronic manufacturing | 🇧🇷 Brazil | 1988 |
| 501 Commons |
 501commons.org
|
51-200 | Non-profit Organizations | 🇺🇸 United States | 1989 |
| FRANKY Group Of Companies | franky.com.my | 501-1000 | Civil Engineering | 🇲🇾 Malaysia | 1981 |
| Aero Technic BG | aerotechnic-bg.com | 201-500 | Airlines and Aviation | 🇧🇬 Bulgaria | 2011 |
| Гимназия №19 | gymn19.ru | - | - | 🇺🇳 - | - |
| Informática Digital Soluções E Tecnologia |
 informaticadigital.com.br
|
1-10 | IT Services and IT Consulting | 🇧🇷 Brazil | 2011 |
| Valence Primary School | valenceprimaryschool.com | 11-50 | Primary and Secondary Education | 🇬🇧 United Kingdom | - |
| Lorch Schweißtechnik GmbH |
 lorch.eu
|
201-500 | Industrial Machinery Manufacturing | 🇩🇪 Germany | 1957 |
| CiberComputer | cibercomputer.com | - | Software Development | 🇪🇸 Spain | - |
| C-Cure Systems |
 c-cure.systems
|
1-10 | Security and Investigations | 🇫🇷 France | 2018 |
| Digital-интегратор Улей |
 wehive.ru
|
51-200 | IT Services and IT Consulting | 🇷🇺 Russia | 2005 |
| Cellshop Importados Paraguay |
cellshop.com
|
501-1000 | Retail | 🇺🇳 Paraguay | 2003 |
| Comperex Group |
 comperex.be
|
11-50 | Software Development | 🇧🇪 Belgium | 1988 |
| CyPlus Idesa |
 cyplus.com
|
1001-5000 | Chemical Manufacturing | 🇲🇽 Mexico | - |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
U2F API (u2f-api.js) usage by industry
by TLD segment-
01 IT Services and IT Consulting 225 40.3%
-
02 Software Development 50 8.9%
-
03 Technology, Information and Internet 47 8.4%
-
04 Information Technology & Services 31 5.5%
-
05 Construction 23 4.1%
-
06 information technology and services 23 4.1%
-
07 Telecommunications 20 3.6%
-
08 Computer and Network Security 18 3.2%
-
09 Business Consulting and Services 14 2.5%
-
10 Retail 14 2.5%
U2F API (u2f-api.js) industry distribution chart
share by domain segmentU2F API (u2f-api.js) users by company revenue
460 companiesTechnologies related to U2F API (u2f-api.js)
Authentication SoftwarePut it to work
What teams do with the U2F API (u2f-api.js) list
Competitor analysis
Selling Google Sign-in, Naver, or another Authentication Software product? These 10.66K U2F API (u2f-api.js) users are your displacement audience, filterable by country and company size.
Market research
Top markets for U2F API (u2f-api.js): United States (27.6%), Germany (14.2%), Russia (9.4%). Size the Authentication Software market by geography before you build or invest.
Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.
Request accessTurn 10,656 U2F API (u2f-api.js) websites into your next campaign, audit, or dataset
Unlock U2F API (u2f-api.js) and download unlimited filtered reports for a month: up to 1M sites per list, segmented by country and TLD.
No contracts, cancel anytime · Instant access after checkout · Data point availability varies by website and report