01
Upload your list
Import CSV or TXT files with phone number data, then confirm the task settings before processing.
MAX Checker
Verify MAX messenger account activation by phone number.
$15 / 10k
Check whether a phone number is registered on MAX messenger. Reach users on one of Russia's fastest-growing messaging platforms.
Verify MAX messenger account activation by phone number.
$15 / 10k
Check whether a phone number is registered on MAX messenger. Reach users on one of Russia's fastest-growing messaging platforms.
- Messaging verification: Confirm MAX account activation status.
- Regional focus: Target users on the MAX messenger platform.
- Bulk processing: Validate large contact lists at scale.
- API-ready: Integrate with CRM and marketing automation tools.
Workflow
How MAX Checker works
Use MAX 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
Status signal
Original input
Checker product
Task timestamp
Segment-ready result
Use cases
Where teams use MAX 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 MAX Checker with related products
Explore checks that teams often run before or after this product.
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High-value Users Checker
Identify high-value phone users via big-data signals for better targeting and prioritization
iMessage Checker
iMessage account verification
FAQ
MAX Checker questions
What does MAX Checker check? +
MAX Checker helps teams process phone number lists and review structured validation signals for cleaning, segmentation, and internal workflows.
Can I use MAX 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 MAX 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 MAX Checker at scale?
Compare pricing, review API options, or create an account to upload your first production list.
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