ZelNum

Website

zelnum.com

Pricing URL

Official ZelNum Pricing

$ Details

freemium $1.0 (10,000 WhatsApp number checks)

Platforms

Web REST API SaaS

Release Date

2026 May

Categories

#Phone Number Validation #Data Validation #Data Enrichment

Veriphone

Website

veriphone.io

Pricing URL

Official Veriphone Pricing

$ Details

freemium $10.0 / Monthly (10 000 requests)

Platforms

-

Release Date

2019 March

Categories

#Marketing #Contact Management #Phone Number Validation #Phone Number Verification

ZelNum features and specs

• Bulk Phone Validation
  Validate, normalize and segment phone numbers from CSV or TXT files.
• Messaging App Checks
  Check selected phone-number and account signals across WhatsApp, Telegram, Facebook, iMessage, RCS, Zalo, LINE, and Viber.
• Carrier and HLR Lookup
  Identify carrier, country, line type, and HLR-style network signals.
• Phone Status and Activity Checks。
  Identify active, inactive, risky, and recently active numbers where supported.
• Social Account Checks
  Check phone- and email-based account signals across Instagram, TikTok, LinkedIn, Snapchat, Signal, BAND, Amazon, Apple ID, and Microsoft.
• Crypto Exchange Account Checks
  Check supported phone and email account signals across Binance, KuCoin, CoinW, and HTX.
• Email Account Checks
  Check email-based account signals across supported platforms and services.
• Phone Model Detection
  Detect the phone brand and model associated with a mobile number where available.
• List Cleaning and Segmentation
  Remove duplicate or invalid records and export structured result segments.
• CSV/TXT Bulk Uploads
  Upload contact lists for batch verification, cleaning, and segmentation.
• REST API Workflows
  Submit batch tasks, monitor processing status, retrieve results, and integrate verification into applications.

Veriphone features and specs

• Comprehensive Data Coverage
  Veriphone provides an extensive database that covers a wide range of phone numbers globally, allowing users to validate numbers from numerous countries.
• Real-time Validation
  The service offers quick, real-time phone number validation, which is beneficial for applications requiring immediate verification.
• Detailed Response
  Veriphone's API returns detailed information about each phone number, including carrier, country, and line type, which can enhance user data quality.
• Easy Integration
  The API is straightforward to integrate into various systems and applications, supported by comprehensive documentation and examples.
• Scalability
  Veriphone handles small to large volume requests, making it suitable for businesses of different sizes.

Possible disadvantages of Veriphone

• Cost
  While Veriphone offers a free tier, extensive use, especially for high volume requests, requires a paid plan which might be expensive for small businesses or individual developers.
• Dependency on Third-Party Service
  Relying on an external service for phone number validation can introduce a point of failure and may affect system availability if Veriphone experiences downtime.
• Privacy Concerns
  Using a third-party service to validate phone numbers could raise privacy issues, especially if sensitive user data is involved.
• Limited for Non-Phone Data
  While excellent for phone number validation, Veriphone is not designed for validating other types of data, limiting its utility to this specific function.

Analysis of ZelNum