Telegram Number Validator - Bulk Check

Bulk verify phone numbers for active Telegram accounts. Check 1,000-10,000 numbers per run. Upload CSV or Excel files, get instant yes/no results. Clean contact lists, validate leads, enrich CRM data. No Telegram account needed. Global coverage with automatic phone format normalization.

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🌟 Key Features

• Bulk Verification: Verify lists of 1,000 to 10,000+ phone numbers in a single run with multi-threaded high performance.
• Automatic Phone Format Normalization: Accepts international formats, E.164, local formats, spaces, dashes, parentheses, 00 prefixes, and t.me/+... URLs automatically.
• No Telegram Account Required: Works without logging in or connecting your personal or official Telegram session.
• Rich Data Output: Checks account presence (hasTelegram), status (active / not_found), linked @username, profile title, bio, photo URL, and direct deep links (tg://resolve?phone=...).
• Global Coverage: Supports phone numbers across all country codes worldwide with configurable default country code fallbacks.
• CRM & Lead Cleaning: Instantly filter out invalid numbers before running SMS campaigns, telemarketing, or cold outreach.

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💡 Common Use Cases

1. Lead List Hygiene & CRM Enrichment: Filter your lead database to keep only active Telegram users for higher conversion rates.
2. Sales & Marketing Outreach: Identify leads that can be reached on Telegram without spending on expensive SMS gateways.
3. Contact List Verification: Bulk check phone numbers from uploaded CSV or Excel files.
4. Data Verification: Audit phone numbers in real time with high accuracy.

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📥 Input Parameters

Parameter	Type	Default	Description
phoneNumbers	Array	[]	List of phone numbers to check in JSON format.
phoneList	String	""	Multiline text or CSV block of phone numbers separated by newlines, commas, or semicolons.
defaultCountryCode	String	""	Optional country code (e.g. +1, +44, +91) applied to numbers missing a + prefix.
proxyConfiguration	Object	null	Apify Proxy configuration to prevent rate limiting.
maxConcurrency	Integer	10	Maximum number of concurrent requests allowed during scraping.
debugLog	Boolean	false	Enable verbose log messages for debugging.

Example Input (input.json)

{
  "phoneNumbers": [
    "+14155552671",
    "+447911123456",
    "+919876543210"
  ],
  "phoneList": "+1 (555) 234-5678\n+44 7911 123456",
  "defaultCountryCode": "+1",
  "maxConcurrency": 10,
  "debugLog": false
}

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📤 Output Format

Each dataset item contains structured information regarding the checked phone number:

Field	Type	Description
phoneNumber	String	Formatted E.164 phone number.
rawInput	String	Original raw input string provided.
formattedE164	String	Normalized E.164 string with leading +.
countryCode	String / Null	Detected or inferred country code prefix.
hasTelegram	Boolean	true if phone number belongs to an active Telegram account.
status	String	active or not_found.
username	String / Null	Linked Telegram username (without @) if available.
title	String / Null	Public display title or profile name.
bio	String / Null	Profile bio or description.
photoUrl	String / Null	Profile picture URL if publicly accessible.
isVerified	Boolean	Whether the account is officially verified by Telegram.
telegramUrl	String	Direct web link (https://t.me/+...).
deepLink	String	Telegram application deep link (tg://resolve?phone=...).
checkedAt	String	ISO 8601 timestamp of verification.

Sample Output (dataset.json)

{
  "phoneNumber": "+14155552671",
  "rawInput": "+1 (415) 555-2671",
  "formattedE164": "+14155552671",
  "countryCode": "+1",
  "hasTelegram": true,
  "status": "active",
  "username": "sample_user",
  "title": "John Doe",
  "bio": "Software Engineer & Creator",
  "photoUrl": "https://cdn4.cdn-telegram.org/file/...",
  "isVerified": false,
  "telegramUrl": "https://t.me/+14155552671",
  "deepLink": "tg://resolve?phone=14155552671",
  "checkedAt": "2026-08-06T14:52:00.000Z"
}

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⚡ Performance Tips

• Use Apify Proxies: When checking thousands of phone numbers, enable Apify Proxy to maintain smooth response rates.
• Adjust Concurrency: Increase maxConcurrency (up to 20-30) for larger datasets when proxies are enabled.
• Normalizer: Pass numbers in any standard format; the built-in normalizer will handle formatting automatically.

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🔒 Privacy & Compliance

This tool only checks public web endpoints and public indicators. It does not store phone numbers or access private Telegram user data. Please ensure compliance with local data privacy laws (GDPR, CCPA) when processing lead databases.