New user credit availableContact support
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.

Industry News1 min

Can You Check WhatsApp Numbers After Usernames? Privacy, Reservation, and Task Limits

WhatsApp usernames provide a privacy-preserving contact handle while accounts still use phone numbers; number checking does not become username search or directory lookup.

Read guide
Industry News1 min

Does WhatsApp iPhone Backup Still Depend on iCloud? Beta Reports vs Available Options

Separate reports of a possible WhatsApp-hosted backup option from the iPhone workflow available today. Learn the iCloud path, encrypted-backup credentials, restore prerequisites, migration risks, and an enterprise device checklist.

Read guide
Industry News1 min

Five Number-Checking Mistakes Across WhatsApp, Telegram and Viber

Five failure patterns that corrupt messaging-platform checks: wrong country normalization, one schema for every platform, false nulls, unsafe CRM joins and consent leakage.

Read guide
Industry News1 min

Can Number Checking Find KOLs? Platform Status vs Influence Evidence

WhatsApp and Telegram checking can return platform fields, but it cannot identify KOLs. Influence requires audience, content, engagement, fit and authenticity evidence.

Read guide
Industry News1 min

2026 Number-Checking Trends: AI Profiles, TG Usernames, and Field Boundaries

The defining 2026 number-checking trend is not more profile labels, but clearer separation of platform fields, first-party evidence and AI inference.

Read guide
Industry News1 min

WhatsApp vs Telegram vs LINE Number Checking: Choose by Task and Fields

Compare WA/WS, TG and LINE registration, activity and profile-related tasks, then choose by business question and exact output fields.

Read guide
Industry News1 min

Telegram t.me Short-Link Outage: ServerHold Cause, Impact, and Resilience Plan

Telegram’s t.me domain briefly entered serverHold in July 2026 and recovered. Review the timeline, blast radius, and a resilient backup plan for links, QR codes, and monitoring.

Read guide
Industry News1 min

How to Reserve a WhatsApp Username: Rollout, Privacy Changes, and Business Checklist

WhatsApp has opened username reservations ahead of a gradual rollout. Learn how reservation works, what changes for privacy, and what businesses should prepare.

Read guide
Industry News1 min

What Is the WhatsApp Green Dot? iOS Online Indicator vs WS Activity Check

WhatsApp tested a green-dot online indicator on iOS. Understand the limited rollout, privacy controls, and why it is different from a WS Activity Check export.

Read guide

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.

Join AppShai

Connect global social platforms
Work with the audience you need

Sign up / Log in
WhatsApp
WhatsApp
Telegram support
Telegram support
Telegram channel
Telegram channel