Liemi

@Liemichecknumber

Trade BD | Focus on phone number validation, data quality & API tools WhatsApp: +447763387262 Telegram：liemichecknumber

NYJoined January 2026

About

Checknumber builder | Simplifying global number validation for marketers & cross-border teams. Here to share practical growth hacks. 💬 WhatsApp: +447763387262 Telegram：liemichecknumber 🔗 platform.checknumber.ai/login?code=LM1101

Available for

Available for API integration support, cross-border number verification strategy consulting, and MarTech tool collaborations.

Liemi's blogs

Data Validation Matters More Than Everliemichecknumber.hashnode.dev14 posts

Recently published

liemichecknumber.hashnode.dev

How to Validate International Phone Numbers Correctly

Expanding into global markets is exciting — but it introduces a challenge many businesses underestimate: international phone number quality. At first glance, a phone number looks like a simple data point. In reality, it determines whether your messag...

Feb 134 min read

liemichecknumber.hashnode.dev

Phone Validation API: What Developers Should Look For

Modern applications rely heavily on phone numbers — from onboarding flows and messaging platforms to identity verification and fraud prevention. But as products scale, validating numbers manually or through basic regex checks quickly becomes insuffic...

Feb 124 min read

liemichecknumber.hashnode.dev

How Age & Gender Detection Works from Phone Numbers

Did you know that a phone number can reveal more than just a way to contact someone? Advances in data science and phone intelligence allow businesses to estimate age and gender from phone numbers, providing valuable insights for marketing, analytics,...

Feb 53 min read

liemichecknumber.hashnode.dev

Preventing Fake Accounts Using Phone Number Intelligence

Fake accounts are no longer just a nuisance — they are a structural risk for modern digital platforms. From referral abuse to bot-driven registrations, fraudulent accounts distort metrics, increase operational costs, and weaken user trust. Traditiona...

Feb 43 min read

liemichecknumber.hashnode.dev

WhatsApp Number Checker: Use Cases for Businesses

WhatsApp has evolved from a simple messaging app into a critical communication channel for businesses worldwide. From customer support to outbound engagement, companies increasingly rely on it to reach users faster and more directly than traditional ...

Feb 33 min read

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Liemi

About

Available for

Liemi's blogs

Recently published

How to Validate International Phone Numbers Correctly

Phone Validation API: What Developers Should Look For

How Age & Gender Detection Works from Phone Numbers

Preventing Fake Accounts Using Phone Number Intelligence

WhatsApp Number Checker: Use Cases for Businesses