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AppShai Research

Practical answers for bulk number-checking workflows

Learn what each check means, prepare reliable TXT input and keep registration, activity, unknown and exception results in the right context.

These guides document supported workflows and interpretation boundaries. Live fields, task status and final credit deduction are confirmed in the signed-in dashboard.

WhatsApp1 min

Do Not Start with Price per 10,000: A Six-Part WhatsApp Number Checker Scorecard

Evaluate a WA/WS Number Checker across fields, sample acceptance, governance, workflow fit, failure handling and total cost.

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WhatsApp1 min

What Is WhatsApp Activity Checking? WA/WS Activity Fields vs Overseas Customer Intent

Understand WhatsApp activity time, active days and mapped phone fields—and why these observations cannot directly represent an overseas customer’s purchase intent.

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RCS1 min

In North American RCS Data, System Is Not Carrier: A Classification and Write-Back Guide

Separate RCS system observations from carrier ownership, number portability and market geography before writing results back.

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RCS1 min

How to Integrate RCS Number Checking: TXT Upload, Excel Export and a File-Exchange Architecture

Integrate AIPUSH RCS Number Checking without claiming an API, using batch manifests, TXT input, Excel staging and idempotent write-back.

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Telegram1 min

From Export-Sales Lead Pool to Attributed Inquiry: The Tables a TG Phone Must Cross

Organize export-sales TG checking across provenance, cleanup, observation, permission, touch and inquiry tables for traceable attribution.

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Viber1 min

A Recalled Viber Message Does Not Recall Outreach Risk: Controls Before and After Send

Follow the Viber send timeline to see how number checking, permission, content, frequency and recall control different risks.

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Zalo1 min

Zalo Number Checking in Vietnam: +84 Cleanup, Task Selection and Result Acceptance

Start with Vietnam +84 cleanup, choose Zalo Registration, Activity or Gender and Age for the actual question, and accept the returned Excel fields correctly.

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Telegram1 min

Do Not Start at Step Three: Building a Telegram List from Registration to Activity and Usernames

Work backward from the Telegram segmentation decision, checking registration before adding activity or username fields only when needed.

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Viber1 min

Can an Eastern Europe WhatsApp List Be Reused for Viber? A Migration Postmortem

Use a failed migration to expose Viber/WhatsApp differences in fields, permission and operating cadence, then rebuild instead of copying.

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Telegram1 min

Telegram Activity Checking: Why It Is Not Dead-Number or Bot Detection

Interpret TG offline time, active days, usernames and frozen status while separating platform activity from dead-number, bot-account and permission questions.

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Viber1 min

Viber Registration Check vs Activity Check: Fields, Freshness and Use Cases

Compare the actual fields, questions and freshness boundaries of Viber Registration and Activity checks without treating activity as permission.

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WhatsApp1 min

WhatsApp Number Checking in 2026 Is Not One Task: A Map of Seven WA/WS Services

Choose among seven WA/WS services by business question, with real TXT input, Excel fields, acceptance checks and marketing boundaries.

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60+

supported platforms

220+

countries and regions

98%+

operational checking accuracy

First-party operational figures last reviewed in August 2026. Individual task results depend on input quality and live availability.

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