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Data & CRM

WA number filter clean lists

Filter valid WhatsApp numbers from invalid or landline rows before you send — save account health and delivery budget by messaging only active WA users.

Feature overview

Everything you need to get started

3 quick steps
Edition Standard & Business
Category Data & CRM
Summary Filter valid WhatsApp vs invalid numbers
Quick start

Follow these steps in WhatSender Pro to activate this feature in minutes.

  1. Contacts → Number Filter → load imported list.

  2. Click Scan — checks which numbers have active WhatsApp.

  3. Export Valid Only list for your campaign.

How it works

Step-by-step guide

  1. 01
    Load raw list

    Import Excel with mixed valid/invalid numbers.

  2. 02
    Run WA check

    number_filter.sys queries registration status per row.

  3. 03
    Review results

    Green = on WA, Red = not registered or invalid.

  4. 04
    Export clean segment

    Save filtered list for campaign import.

  5. 05
    Schedule re-check

    Re-filter stale lists older than 30 days.

Business impact

How this helps your business

  • Higher delivery rate

    Stop wasting sends on dead numbers.

  • Ban risk reduction

    Fewer failed sends = healthier account signals.

  • Accurate ROI

    Metrics reflect real reachable audience.

  • List hygiene

    Monthly filter keeps CRM WhatsApp-ready.

Pro tips

Best practices

  • Filter before every large campaign — numbers churn fast.
  • Use throttled scan mode on 10K+ lists overnight.
  • Archive invalid rows for telephony or SMS fallback.