01
Upload your list
Import CSV or TXT files with phone number data, then confirm the task settings before processing.
Telegram Username Activity Checker
Registration and avatar plus user ID, last seen, active days, and membership
Price (per 10,000 numbers) $3 USD
Registration and avatar plus user ID, last seen, active days, and membership. Upload a CSV or use the REST API, then export one structured result for every input row.
Registration and avatar plus user ID, last seen, active days, and membership
Price (per 10,000 numbers) $3 USD
Registration and avatar plus user ID, last seen, active days, and membership. Upload a CSV or use the REST API, then export one structured result for every input row.
No account, number, or SIM required
Every check runs through official platform APIs on our own infrastructure. You never connect, bind, or use your own account, phone number, or SIM card — just upload your list or call the API and get results.
- Registration and avatar plus user ID, last seen, active days, and membership
- Bulk workflow — process CSV files or use the REST API, with every result mapped to its original input.
- Activity signals
- Passive check — no message is sent and the account holder is never notified.
Workflow
How Telegram Username Activity Checker works
Use Telegram Username Activity Checker as part of a repeatable list-cleaning workflow before outreach, CRM imports, or audience segmentation.
02
Run the check
NumberChecker.AI processes the file in bulk and returns structured status signals for each row.
03
Export segments
Download results and route clean, matched, unmatched, or review-needed rows into your next workflow.
Outputs
What you can review after the check
username
activated
uid
lastseen
activedays
member
avatar_url
Use cases
Where teams use Telegram Username Activity Checker
List cleaning
Remove unsupported or low-confidence records before campaigns or imports.
Audience segmentation
Create groups based on platform, email, phone, or account-related signals.
Review workflows
Send uncertain or high-value records into a separate internal review queue.
Related checks
Pair Telegram Username Activity Checker with related products
Explore checks that teams often run before or after this product.
Telegram Checker
Basic Telegram number verification
Telegram Days Checker
Telegram account activity days detection
Telegram Age & Gender Checker
Comprehensive Telegram profile analysis including age, gender, avatar and activity data
Telegram Username Registration Checker
Check whether a Telegram username is registered and return its avatar URL
FAQ
Telegram Username Activity Checker questions
What does Telegram Username Activity Checker check? +
Telegram Username Activity Checker helps teams process phone number lists and review structured validation signals for cleaning, segmentation, and internal workflows.
Can I use Telegram Username Activity Checker for bulk files? +
Yes. NumberChecker.AI is built for CSV and TXT uploads, task tracking, and downloadable result files.
What can I do with the exported results? +
Use exported rows to remove invalid records, create segments, prioritize follow-up, or sync cleaner data into CRM and campaign tools.
Does Telegram Username Activity Checker send messages or access private content? +
No. NumberChecker.AI provides verification signals only. It does not send messages, read chat content, or require personal account login.
Ready to run Telegram Username Activity Checker at scale?
Compare pricing, review API options, or create an account to upload your first production list.
