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.
Price (per 10,000 numbers)
$15 USD
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.
Price (per 10,000 numbers)
$15 USD
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.
Detection signals
What MAX Checker detects
MAX Checker confirms whether a phone number is registered on MAX messenger, without messaging or storing the number. Every row comes back with a clear registered or not-registered verdict, ready to clean lists, match audiences, or route into your CRM.
Registration status
Confirms whether the phone number is registered on MAX messenger (yes or no), so you can filter out unregistered numbers before outreach.
Bulk yes/no verdict
Every number comes back with a clear registered or not-registered result, ready to filter and segment.
Passive, no contact
Reads registration signals only. The account holder is never messaged, logged in to, or notified.
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
Can I check phone numbers against MAX in bulk? +
Yes. Upload a CSV of up to hundreds of thousands of numbers or call the REST API, then download a result file with a registered or not-registered verdict for every number. You are billed only for successful checks.
Does the check message or notify the person? +
No. The check is passive and reads registration signals only. Nothing is sent to the number, and the account holder is never contacted or notified.
What's the difference between this and MAX Full Info Checker? +
MAX Checker only confirms registration (yes/no). For profile details such as display name, gender, last-seen status, and avatar, use MAX Full Info Checker.
Is there a free trial? +
Yes. New accounts receive free checks on signup, and every check is pay-as-you-go with no monthly fee.
Ready to run MAX Checker at scale?
Compare pricing, review API options, or create an account to upload your first production list.
Refer & Earn 10%
Earn 10% Commission on Every Recharge — For Life
Share your unique referral link. When someone signs up through it and tops up their account, you instantly receive 10% of the amount paid as bonus credit — no expiry, no cap.
- 10% commission on every recharge your referrals make
- Bonus credit is applied automatically — no withdrawal steps
- Lifetime referral link — earn forever, not just once
10%
Learn how it workscommission per recharge
