Skip to main content
ZelNum
Check WhatsApp and Telegram numbers in bulk, validate phone and carrier data, and clean account
ZelNum is a pay-as-you-go API and web platform for verifying WhatsApp, Telegram, and phone data at scale. Businesses can run 40+ checks, clean and enrich contact lists, and process CSV/TXT files in bulk. ZelNum provides verification signals—not identity proof—and is intended for authorized data use.
