CheckNumber.AI
Signal Checker
NEW$4
/ 10,000
Signal account detection and verification by phone number
Account match Live signal Export-ready
View in all products No-code CSV REST API Exportable results
Check Signal Account Registration
Verify whether a phone number is registered on Signal, the encrypted messaging app.
1
checker
$4
/ 10,000
CSV + API
bulk workflows
Signal CheckerWhat You Can Check
Pick the right Signal signal
Choose the exact check you need for Signal. Use upload-based batches or integrate with the same pricing through API.
Common Use Case
Improve Signal list quality before outreach
Segment privacy-focused users for targeted, compliant outreach.
No-code CSV REST API Exportable results
Signal 1
Registration check — confirm Signal account presence by phone number.
Signal 2
Privacy-conscious audience — reach users who prioritize secure messaging.
Signal 3
Bulk-ready — validate large lists at once.
Pricing FAQ
Yes. New accounts receive 1,000 free checks on signup, no credit card needed.
Strictly pay-as-you-go. You top up your balance and are charged only per successful check. No monthly fee, no expiry on credits.
The minimum top-up is $20 USD. Contact us if you need a custom plan.
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