Check LinkedIn Registration
Reach 900M+ professional networking users worldwide
Upload up to 1 million numbers per batch. Two-layer checks (carrier/domain validation + LinkedIn registration) finish a full screening in about 3-5 minutes.
Capability Track
phone-list.txt
+44 7……2484
+62 8……9017
+55 1……6723
√ One number per line in TXT
Valid filtering accuracy ≥98%
Average speed: 3 min / 1M records
Export TXT/CSV/Excel
LinkedIn Validity Check
LinkedIn Gender & Age Check
Capabilities
What can GeekNums check on LinkedIn?
Valid Filter
Verify the number/email is real (invalid / suspended / invalid domain detection) + whether it's registered on LinkedIn.
Number status
RegisteredNot registered
Age & Gender Filter
AI avatar recognition + nickname semantic analysis + status text mining.
AI profile sample
25-35Interests
Bulk Number Filter
Submit numbers in bulk, then review and filter results in one place to process large volumes efficiently.
Screening progress
4 Steps
Bulk-check LinkedIn in just 4 steps
Use case: find out which numbers are on LinkedIn.
Generate Numbers
Use the number generator to create numbers for your target region (or upload your own numbers directly).
Upload Numbers
TXT/CSV/Excel supported, up to 1 million records per upload.
Two-layer Validity Check
1. Check the number really exists
2. Check whether it's linked to a LinkedIn account / detect age and gender
Export Results
Download the completed file and export every filtered result in bulk.
Q&A
FAQ
Modeled on LinkedIn public interface signals and behavior data, registration accuracy stays above 98%. Checks are invisible: no notifications are sent to target users and no security alerts are triggered.
Possible reasons include accounts banned by the platform, abnormal accounts registered with automation tools, or "zombie accounts" that haven't logged in for a long time. Run a second pass with health and activity checks.
We currently prioritize major LinkedIn markets such as the US (+1), Canada, the UK, Australia and Singapore, and are expanding to more countries.
Yes. Results export in standard TXT/CSV/Excel formats with fields such as phone/email, registration status, activity level, health tag and check time, ready to import into mainstream CRMs or marketing automation platforms.
