Data Validation AgentYour CRM is full of
dead records
Disconnected numbers. Bounced emails. Contacts who left the company two years ago. Your team dials through stale data every day and no one knows what percentage of the database is actually usable. Callengo calls every contact and verifies the facts.
Bad data is costing you more than you think
of CRM data decays every year
Source: Gartner
average annual cost of bad data per company
Source: Gartner
of business objectives fail due to inaccurate data
Source: IBM
of revenue is wasted due to inaccurate contact data
Source: D&B
Clean your database in 4 simple steps
No complex setup. No technical expertise required. Just upload and verify.
Upload your contacts
Import your contact list via CSV, Excel, or JSON. Simple drag-and-drop upload with automatic field mapping.
Configure verification
Choose what data points to verify: phone, email, address, company status, decision maker info.
AI makes the calls
Our AI agent calls each contact, verifies information naturally, and updates records in real-time.
Export clean data
Download verified contacts with clear status tags: Verified, Updated, Bad Data, or Retry Needed.
Everything you need for clean data
Our Data Validation Agent handles all aspects of contact verification so you can trust your database.
Phone Verification
Confirm phone numbers are active and reach the right person.
Email Validation
Update outdated email addresses and confirm correct contacts.
Address Updates
Verify and update physical addresses for businesses that moved.
Business Confirmation
Confirm businesses are still operating and get current info.
Decision Maker ID
Identify the right contacts and their direct information.
Auto Follow-ups
Automatically retry contacts who didn't answer the first time.
Built for teams that depend on data
Whether you are in sales, marketing, or operations - bad data is killing your results.
B2B Sales Teams
Clean your prospect lists before outreach campaigns. Stop wasting sales time on disconnected numbers and wrong contacts.
Marketing Teams
Ensure your email and direct mail campaigns reach real people. Reduce bounce rates and improve campaign ROI.
Financial Services
Meet compliance requirements with verified customer information. Reduce risk from outdated KYC data.
Healthcare Providers
Keep patient contact information current for appointment reminders and critical health communications.
See exactly what you get
After each verification campaign, every contact is categorized with clear, actionable status tags.
- Verified contacts ready for outreach
- Updated information synced to your CRM
- Bad data flagged for removal
- Unreachable contacts queued for retry
Typical Campaign Results
The difference clean data makes
Same CRM. Same contacts. Completely different results.
Trusted by data-driven teams
"We verified 800 contacts in our first month. Found that nearly a third had outdated info -bounced emails, wrong numbers. Our outreach campaigns are landing much better now."
"Before Callengo, our reps wasted time calling wrong numbers. Now they only reach out to verified contacts. It's made a real difference in how they spend their day."
Simple, transparent pricing
Pay only for verified contacts. No setup fees, no hidden costs. Start with 15 free minutes to test with your own data.
Frequently asked questions
Ready to clean your database?
Start with 15 free minutes and see how much bad data is costing you. No credit card required.