Call centers: are your numbers blacklisted?
Monitor your lines in real-time and protect your reachability KPIs before your campaigns collapse.
of active numbers are already flagged as spam
"Every burnt number costs money"
- Sharp drop in answer rate (Contact Rate)
- Agents demotivated by voicemails and rejections
- Campaign ROI halved in 48h
The invisible enemy of your production.
When a number is marked as "Spam" or "Suspicious Call" by anti-spam apps, your chances of contact drop to zero.
The BPO & Call Centers Solution.
Average contact rate
Wasted time (No-Reply)
Production Manager
Insurance BPO - 150 positions
"Huhu has become our #1 steering tool. Without it, we were literally throwing 20% of our lead budget in the trash for lack of 'clean' numbers."
Use Scenarios
Fleet Audit
Test all your existing DIDs before launching a new wave of calls.
Pre-campaign
Verify your new numbers from carriers before injecting them in production.
Real-time
Permanent monitoring of rotating numbers. Alert as soon as a line 'burns'.
Intelligent Rotation
Use our API to automatically eject blacklisted numbers from your lists.
Native Integrations
€0.70
Per verification.
Price excl. VAT — VAT applicable according to your country
Perfect for testing the service.
€0.70 excl. VAT / check
Ideal for medium teams.
€0.70 excl. VAT / check
For large volumes.
€0.70 excl. VAT / check
get 714 verifications
Degressive price from €500
BPO FAQ
Can I import massive lists of numbers?
What API volumes are supported?
Is it compatible with my current Dialer?
How many of your numbers are already burned?
Instant test • Complete report • €0.70/check