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ZelNum

Check WhatsApp, Telegram, and phone numbers in real time or in bulk.

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Description

Check WhatsApp, Telegram, and phone numbers in real time or in bulk. Detect VoIP and disposable numbers, keep CRM lists clean, cut fraud risk, 39 tools, one workflow.

About ZelNum

What is ZelNum?

ZelNum is a live phone number and messaging account verification platform offering single, bulk, and API validation workflows.

What ZelNum does

The platform performs real-time live network checks across 44 verification tools to validate WhatsApp, Telegram, carrier, and phone records. It identifies invalid, unreachable, recycled, and risky numbers, enriches carrier and routing details, and segments clean contact lists for CRM hygiene and fraud prevention without using cached database lookups.

Who ZelNum is for

CRM operators, list hygiene teams, fraud prevention reviewers, and developers integrating contact verification into applications.

How ZelNum works

Users upload CSV or TXT lists or query the API, the platform checks records live against telecom and messaging networks, and users download verified, inactive, or risk-flagged segments.

Key features

  • Performs real-time lookups across 44 verification checks without relying on cached database results.
  • Validates active status for WhatsApp and Telegram accounts in real time or bulk.
  • Identifies invalid, unreachable, recycled, and risky phone records to cut fraud risk.
  • Enriches contact lists with carrier, country, line type, and routing context.
  • Supports high-volume CSV and TXT list uploads alongside single and bulk API endpoints.
  • Operates on a pay-as-you-go model with non-expiring prepaid credits and no subscriptions.

Pricing

As listed on zelnum.com, checked 8 November 2026. Prices can change; see the site for current terms.

  • Pay As You Go: Top-ups starting at $100 ($105 in credits with 5% bonus) up to $2,000 ($2,500 in credits with 25% bonus).
  • WhatsApp Number Checker: Rates from $0.5 per 10,000 rows in bulk.
  • Telegram Number Checker: Rates from $1.5 per 10,000 rows in bulk.
  • Subscriptions: No monthly subscriptions, seat licenses, or recurring fees.

Facts from zelnum.com, checked 8 November 2026

  • Provides 44 distinct check tools for phone and messaging verification.
  • Performs live network queries at runtime without reselling cached database results.
  • Operates on prepaid non-expiring credits with top-ups starting at $100.
  • Supports bulk CSV uploads and API integrations.

Written from ZelNum's own website (Homepage, Pricing, About). The maker can claim this listing to edit it.

Categories

SaaS

Frequently asked questions

What is ZelNum?

ZelNum is a verification platform that checks phone numbers, WhatsApp, and Telegram accounts live against telecom networks.

Are check results cached?

No. Every check runs live at query time against actual network responses rather than cached databases.

What workflows are available for checking numbers?

Users can run single lookups, upload bulk CSV or TXT files, or integrate through single and bulk APIs.

How does pricing work?

Users buy prepaid credits starting at $100 with volume bonuses up to 25%, with no subscriptions or recurring fees.

What account and network signals does ZelNum detect?

ZelNum identifies active WhatsApp and Telegram presence, carrier details, country, line type, and risk status.

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