Validate and verify data at scale
Trusted by thousands of companies to ensure data quality and reduce bounce rates
Trusted by data-driven companies
SJ
“1Lookup helped us reduce our email bounce rate by 85%. Their validation API is incredibly accurate and fast.”
Sarah Johnson
TechCorp Inc.
MC
“We validate millions of phone numbers monthly. 1Lookup's batch processing saves us hours of manual work.”
Michael Chen
Growth Partners
ER
“The IP lookup feature helps us detect fraud instantly. Essential for our security operations.”
Emily Rodriguez
SecureNet Systems
Why companies trust
1lookup
99.9% validation accuracy
Real-time API responses < 100ms
Batch process millions of records
Detailed analytics & reporting
SOC 2 Compliant
GDPR Ready
99.9% Uptime