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How to Run Telegram Bulk Number Checks: List Cleaning, Detection Options, Result Interpretation, and CRM Write-Back
Before running Telegram detection on a multi-country contact list, normalize numbers to E.164 and deduplicate, then split by country, choose detection options, submit via console or API, and write results back to CRM grouped by valid and invalid. The article explains each step, why "unmatched" does not mean "unregistered," and why building your own bulk lookup scripts with personal accounts is not advisable.
How to Check if a Telegram Number Is Registered: Matching Principles, Privacy Limits, and Batch List Processing Order
Learn how to batch-check whether numbers in a list are registered on Telegram, including E.164 formatting, privacy settings that affect matching, and CRM write-back order.
How to Do Telegram Number Detection: List Preparation Order, Available Fields, and Privacy Limits
This article explains how to perform Telegram number detection on an existing phone number list: first normalize to E.164 format and deduplicate, then select detection items to submit; it explains what "not found" and the four activity levels each mean; and finally describes result write-back methods via console upload, API, and Webhook.
How to Integrate a Telegram Number Screening API: List Cleaning, Asynchronous Submission, Result Fields, and CRM Write-Back
A step-by-step guide to integrating a Telegram number screening API: clean phone numbers to E.164, submit in batches by country, receive results via Webhook, and write back to CRM by valid and invalid groups.
How to Use a Telegram Number Screening Platform: From List Cleaning and Field Selection to Result Write-back
A guide for operations, data teams, and developers who have a phone number list and want to check Telegram registration and activity status, covering format normalization, deduplication, detection field selection, interpretation of valid/invalid groups and activity tiers, and web vs. API options with compliance boundaries.
