Number generation
NexCheck maintains a feature library of real carrier numbers worldwide, and generates genuine numbers online.
GLOBAL NUMBER SCREENING PLATFORM
Original number sources worldwide, a digital factory at the source
Put your numbers on the line: NexCheck checks status across WhatsApp, Telegram, LINE and Zalo, plus financial platforms like Binance and OKX, all in parallel — returning live and dead in seconds.
100+ platforms · 109 detection services
Throughput
0/sec
00:00:00
0
Checked
0
Live
0
Dead
Illustrative demo showing the shape of screening output. Not real customer data.
PICK A PLATFORM. START SCREENING.
Service counts come straight from the live price list. Everything runs in the console after signup.
ONE INTEGRATION. EVERY PLATFORM.
WhatsApp screening, LINE screening, Telegram screening, plus social, financial and commerce platforms — all through one integration.
GENERATE · DETECT · SCREEN
From number generation, through baseline attribute detection, to per-platform data screening.
NexCheck maintains a feature library of real carrier numbers worldwide, and generates genuine numbers online.
Validitydevicecarrierrisk profile
Across WhatsApp, LINE, Telegram and other social platforms.
RegistrationActivityProfileAccount qualityOnline status
Individual services and unit prices stay in sync with the platform price list.Open the console for full pricing
CONNECT GLOBALLY. TARGET LOCALLY.
Every market runs on different apps. Screening should follow the region, not the other way round.
Japan · South Korea · Taiwan
LINE and KakaoTalk are the default messaging layer here, so activation and activity checks decide list quality.
Vietnam · Thailand · Indonesia · India · Philippines
Zalo dominates in Vietnam, while India leans on home-grown products like MOJ and Paytm for identification.
UAE · Saudi Arabia · Egypt · Russia
Botim is the mainstream messenger across the Gulf; Russian-speaking markets run on VKontakte and Viber.
United States · Brazil · Mexico · Chile
North America reads Cash App and Google Voice number traits; LatAm crypto users cross-check via Buda and Coinbase.
THREE STEPS. FULLY AUTOMATED.
Automated from upload to export
Import txt or csv in bulk, or post through the RESTful API. No cap on batch size.
Distributed nodes query target platforms simultaneously, cross-validating real activation status.
Export grouped by live and dead, or configure a webhook to push results back in real time.
TESTIMONIALS
Feedback from cross-border operators
After moving to NexCheck our WhatsApp campaign efficiency went up 300%, with almost no dead numbers left.
Speed and accuracy well beyond comparable products, and the API was straightforward to wire up.
Support replies fast and issues get resolved the first time. Genuinely satisfied.
Cumulative platform figures, as of August 2026.
FAQ
The short version of how NexCheck works
NexCheck supports WhatsApp, LINE, Telegram, Facebook, Instagram, LinkedIn, Viber, Zalo, KakaoTalk and 100+ other social platforms, plus financial platforms including Binance, OKX and Coinbase — 109 distinct detection services.
Multi-dimensional cross-validation puts NexCheck screening accuracy above 99%.
Yes. A full RESTful API supports batch submission, real-time queries and webhook callbacks, so results land directly in your systems.
All data is encrypted with AES-256 in transit and at rest, audited regularly, and handled in accordance with GDPR and other regulations.
Register an account to start free. Both the web console and the API are available from day one.
GUIDES & UPDATES
Announcements, per-platform detection methods, and practical notes on reaching overseas audiences.
Register now and try global number screening for free