WhatsApp number screening & detection
WhatsApp is a mainstream messenger across 180+ countries and the most common channel for cross-border acquisition. GeekNums offers bulk number detection to filter empty numbers, identify registered accounts and recently active users before you reach out.
Core detection capabilities
Registration status
Detect whether a number is registered on WhatsApp and filter invalid targets.
Activity detection
Identify recent activity to prioritize high-response users.
Empty-number filtering
Clean disconnected and invalid entries before campaigns to cut failure rates.
Bulk & API
Million-scale detection with API access to automate your CRM.
Use cases
- Cleaning and retargeting e-commerce lists
- Verifying numbers before community onboarding
- Audience quality screening before ad spend
FAQ
Does detection send any messages?
No. Detection only verifies registration and activity status without messaging the target numbers.
Which countries are supported?
We cover 244+ countries and regions and accept bulk submissions by country code.
Always ready to support your global acquisition needs.
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