Audience
Sales and marketing teams, CRM and operations teams, lead-generation agencies, developers, and businesses that need to verify, clean, and enrich contact lists at scale.
About ZelNum
ZelNum is a web-based verification and data-cleansing platform for businesses, sales teams, marketers, and developers. It helps users verify WhatsApp, Telegram, and phone numbers, check carrier and line-type information, and enrich contact records with country and phone data. Users can run individual checks, upload CSV or TXT files for bulk processing, or connect through the API for automated workflows. With more than 40 verification checks available, ZelNum helps teams clean contact lists, improve data quality, qualify leads, prepare outreach campaigns, and review potential risks. Free manual tools are available, while paid checks use transparent pay-as-you-go pricing with no subscription required. ZelNum provides verification signals, not identity proof, and should be used only with authorized data.
Other Popular Alternatives & Related Software
1Lookup
1Lookup is an enterprise-grade data verification and intelligence platform that gives businesses real-time, high-accuracy validation for phone numbers, email addresses, and IP addresses through a unified API, helping ensure data quality, reduce fraud, and protect user experiences. It aggregates data from authoritative sources, including carrier networks, FCC databases, and global threat feeds, with daily updates to deliver sub-second verification results that detect invalid, risky, or fraudulent identities, improve deliverability, and flag disposable or suspicious contact data. The core services include phone validation with HLR and carrier lookup, phone spam and risk detection, email address validation with SMTP checks and disposable domain screening, and IP intelligence for precise geolocation, proxy/VPN detection, and risk scoring, all accessible via modern REST API calls that scale to millions of daily lookups without rate limits.
Learn more
Data8
Data8 offers a comprehensive suite of cloud-based data quality solutions designed to ensure your data is clean, accurate, and up-to-date. Our services encompass data validation, cleansing, migration, and monitoring, tailored to meet specific business needs. Data validation services include real-time verification tools for address autocomplete, postcode lookup, bank account validation, email verification, name and phone validation, and business insights, all aimed at capturing accurate customer data at the point of entry. Data8 helps improve B2B and B2C databases by offering appending and enhancement services, email and phone validation, data suppression for goneaways and deceased individuals, deduplication and merge services, PAF cleansing, and preference services. Data8 is an automated deduplication solution compatible with Microsoft Dynamics 365, designed to dedupe, merge, and standardize multiple records efficiently.
Learn more
CLEAR1
CLEAR1 is a digital identity verification platform from CLEAR built for enterprises that need stronger security, scale, and simple user experiences. The platform verifies identity by validating documents, selfies, phone numbers, and other signals instead of relying on a single input. CLEAR1 cross-checks identity signals against each other and verifies them with trusted, issuing, and authoritative sources. Businesses can customize verification flows, pass/fail rules, and collect-only testing modes to match their compliance and risk requirements. The platform is designed to support use cases such as identity verification, document verification, biometric verification, KYC, fraud prevention, age verification, employee verification, and patient identity management. Built for industries such as healthcare, financial services, rentals, hospitality, and workforce management, CLEAR1 helps organizations confirm that people are who they claim to be while reducing friction.
Learn more
Textmagic
Textmagic is an all-in-one business text messaging platform designed to help companies send bulk texts, manage two-way conversations, and automate notifications with ease.
The platform's streamlined features, such as scheduled messaging, customizable templates, contact management, and WhatsApp integration allow you to connect with customers globally in just a few clicks. Textmagic also helps you optimize and monitor SMS campaigns in real time with robust reporting tools that offer insights into delivery rates, engagement, and response times, ensuring transparency for every message sent.
For businesses needing deeper integration, Textmagic’s SMS API and Zapier compatibility make it easy to connect with websites, CRMs, and other apps, enabling seamless automation.
Whether for marketing, notifications, or internal communication, Textmagic can provide the tools to simplify your messaging efforts, with flexible pricing and reliable support to back up any company’s growth.
Learn more
Pricing
Pricing Details:
Pay-as-you-go
Free Version:
Free Version available.
Integrations
Company Information
ZelNum
Founded: 2026
Hong Kong
zelnum.com
Videos and Screen Captures
Other Useful Business Software
Ship Agents Faster
Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
Product Details
Platforms Supported
Cloud
Training
Documentation
Live Online
Support
Phone Support
Online
