ZelNum

Website

zelnum.com

Pricing URL

Official ZelNum Pricing

$ Details

freemium $1 (10,000 WhatsApp number checks)

Platforms

Web REST API SaaS

Release Date

2026 May

Categories

#Phone Number Validation #Data Validation #Data Enrichment #WhatsApp

api-usage

Website

apiusage.info

Pricing URL

-

$ Details

-

Platforms

-

Release Date

-

Categories -

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.

api-usage features and specs

• API Discovery
  Provides a centralized platform to discover and explore various APIs, making it easier for developers to find services that fit their needs.
• Usage Insights
  Offers insights into API usage patterns, which can help developers and businesses understand trends and optimize their integrations.
• Comparison Features
  Allows users to compare different APIs based on various metrics, aiding in more informed decision-making when selecting an API.
• Community Contributions
  May include community-driven content such as reviews or ratings, providing real-world feedback on API performance and reliability.
• Educational Resource
  Acts as a resource for developers new to APIs, offering explanations and guidance on how to effectively use various APIs.

Possible disadvantages of api-usage

• Limited API Coverage
  The platform might not include all available APIs, potentially missing niche or newly released services that could be relevant to some users.
• Outdated Information
  Information on the platform may not be updated in real-time, leading to discrepancies between the listed data and the actual current state of an API.
• Lack of Personalization
  The platform may not offer personalized recommendations based on specific user needs or previous usage patterns, limiting its utility for tailored searches.
• Dependency on User Input
  If the platform relies on user-generated content for reviews or ratings, the quality and reliability of this information can vary significantly.
• Potential Overwhelm
  With numerous APIs and data points available, new users might find it challenging to navigate and extract the most relevant information for their specific use case.

Analysis of ZelNum

Analysis of api-usage