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What's the Difference Between WhatsApp Filtering and Number Validation? Detection Layers, Processing Order, and How to Merge Results
Number validation checks whether a number works as a phone number, is active, and what line type it belongs to; WhatsApp filtering checks whether the number has a WhatsApp account and what state that account is in. This article uses a customer list to explain what each checks, why one cannot replace the other, the recommended processing order, and how to tag and write back conflicting results.
Where Is WhatsApp Number Screening Slow? Field Depth, Submission Method, and List Cleaning Speed-Up Order
A slow batch is usually caused by too many detection fields, synchronous submission, dirty lists, and API rate limits. This article explains how to locate the bottleneck and optimize in the right order.
How to Choose and Use a Number Detection Platform: A Complete Solution from List Format to Tiered Detection
When you have a customer number list, you need to first normalize and deduplicate according to E.164, then group by country, filter out landlines and invalid numbers through basic detection, and finally check account status for target platforms. Basic detection determines whether a number is valid at the telecom network level, while platform detection confirms activation and activity on a specific application; the two solve different problems.
