01
Upload your list
Import CSV or TXT files with phone number data, then confirm the task settings before processing.
MAX Full Info Checker
Get full MAX profile data including display name, gender, last seen, and avatar.
Price (per 10,000 numbers)
$25 USD
Advanced MAX verification returning full profile signals: display name, gender, last seen time, and avatar link for richer audience segmentation.
Get full MAX profile data including display name, gender, last seen, and avatar.
Price (per 10,000 numbers)
$25 USD
Advanced MAX verification returning full profile signals: display name, gender, last seen time, and avatar link for richer audience segmentation.
- Full profile data: Display name, gender, last seen, and avatar URL.
- Advanced segmentation: Build richer audience buckets.
- Higher signal quality: Go beyond simple registration checks.
- Bulk API: Process large lists with detailed profile outputs.
Detection signals
What MAX Full Info Checker detects
MAX Full Info Checker confirms registration and, for registered numbers, returns available profile details — internal account ID, display name, gender, last-seen status, and avatar — without messaging or storing the number. Requires a minimum batch of 1,000 numbers per task.
Registration status
Confirms whether the phone number is registered on MAX messenger (yes or no). Rows with no registration have all profile columns empty.
Profile details
For registered numbers, returns the internal account ID and display name where populated by the user.
Gender and last-seen status
Returns account gender when set, and a last-seen description such as "last seen recently" or "last seen 2 days ago".
Avatar
Returns the avatar image URL when the account has one; empty when no avatar is set.
Workflow
How MAX Full Info Checker works
Use MAX Full Info 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 Full Info 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 Full Info Checker with related products
Explore checks that teams often run before or after this product.
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Validate numbering format, line type, and reachability signals before platform-specific checks
Number Active Checker
Detect phone number activity level via big-data analytics to improve SMS delivery and reduce costs
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 Full Info Checker questions
Can I check phone numbers against MAX Full Info in bulk? +
Yes. Upload a CSV of phone numbers or call the REST API — a minimum of 1,000 numbers per task is required — then download a result file with registration status and any available profile details for every number. You are billed only for successful checks.
What profile details can this checker return? +
For registered numbers, it can return an internal account ID, display name, gender, last-seen status, and avatar image URL. Availability depends on what the account holder has set on their profile.
Does the check message or notify the person? +
No. The check is passive and reads registration and public profile 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 Checker? +
MAX Checker only confirms registration (yes/no). MAX Full Info Checker adds account ID, display name, gender, last-seen status, and avatar for registered numbers.
Ready to run MAX Full Info Checker at scale?
Compare pricing, review API options, or create an account to upload your first production list.
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