Upload your list
Import CSV or TXT files with phone number data, then confirm the task settings before processing.
Track account activity duration and business status
$1.8 / 10k
Detect WhatsApp account activity duration on the internet, whether it is a business account, and signature information. Our WhatsApp Days Checker provides comprehensive account insights including how long an account has been active, business account verification status, and signature details. Perfect for understanding account longevity and targeting verified business contacts.
Track account activity duration and business status
$1.8 / 10k
Detect WhatsApp account activity duration on the internet, whether it is a business account, and signature information. Our WhatsApp Days Checker provides comprehensive account insights including how long an account has been active, business account verification status, and signature details. Perfect for understanding account longevity and targeting verified business contacts.
Workflow
Use WhatsApp Days Checker as part of a repeatable list-cleaning workflow before outreach, CRM imports, or audience segmentation.
Import CSV or TXT files with phone number data, then confirm the task settings before processing.
NumberChecker.AI processes the file in bulk and returns structured status signals for each row.
Download results and route clean, matched, unmatched, or review-needed rows into your next workflow.
Outputs
Use cases
Remove unsupported or low-confidence records before campaigns or imports.
Create groups based on platform, email, phone, or account-related signals.
Send uncertain or high-value records into a separate internal review queue.
Related checks
Explore checks that teams often run before or after this product.
FAQ
WhatsApp Days Checker helps teams process phone number lists and review structured validation signals for cleaning, segmentation, and internal workflows.
Yes. NumberChecker.AI is built for CSV and TXT uploads, task tracking, and downloadable result files.
Use exported rows to remove invalid records, create segments, prioritize follow-up, or sync cleaner data into CRM and campaign tools.
No. NumberChecker.AI provides verification signals only. It does not send messages, read chat content, or require personal account login.
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