1Lookup
Enterprise-grade real-time data validation for phone, email, and IP
What is 1Lookup? Complete Overview
1Lookup is the leading enterprise data verification platform that provides real-time validation for phone numbers, email addresses, and IP addresses through a single powerful API. Designed to combat fraud, improve data quality, and enhance operational efficiency, 1Lookup offers sub-300ms response times with enterprise-grade accuracy. The platform is trusted by businesses worldwide to prevent fraudulent activities, reduce chargebacks, and maintain high sender reputation scores. With direct access to FCC data and daily updates, 1Lookup outperforms competitors by providing fresher, more accurate data. The universal credit system simplifies pricing, allowing businesses to pay only for what they use without complex tiers or contracts.
1Lookup Interface & Screenshots
1Lookup Official screenshot of the tool interface
What Can 1Lookup Do? Key Features
Phone Intelligence
Verify if a phone number is active, risky, or fraudulent in milliseconds with enterprise-grade accuracy. This feature provides sub-300ms response times and is currently available for US numbers only. It helps businesses prevent fraudulent signups and reduce chargebacks by identifying high-risk numbers before they become problems.
Email Validation
Real-time email verification protects your sender reputation by identifying invalid, disposable, or risky email addresses. With a 245ms average response time and detection of 10,000+ disposable domains, this feature has helped customers reduce bounce rates by 94% while improving email deliverability.
IP Intelligence
Uncover risky IPs and prevent malicious logins with enterprise-grade accuracy. The system detects 5,000+ VPN services and provides results in just 156ms. This feature is particularly valuable for businesses looking to prevent fraudulent account creation and protect their platforms from bad actors.
Fraud Scoring
Real-time risk assessment with 50+ fraud indicators provides comprehensive protection against emerging threats. The ML-powered anomaly detection system continuously learns new fraud patterns, offering businesses a 97.8% fraud detection rate for phone validation and 98.9% for email validation.
Global Coverage
With intelligence spanning 200+ countries and processing 10M+ daily checks, 1Lookup provides worldwide protection. The system maintains business-level uptime while offering real-time updates to its global fraud database every 60 seconds, ensuring you always have the most current information.
Best 1Lookup Use Cases & Applications
Fraud Prevention for FinTech
Financial technology companies use 1Lookup to validate user information during account creation, preventing fraudulent signups. One customer reported blocking 15,000 fake accounts in their first month, resulting in immediate ROI and significant reduction in chargebacks.
Email Marketing Optimization
Marketing teams leverage 1Lookup's email validation to clean their mailing lists before campaigns. A customer achieved a 94% reduction in bounce rates and improved their sender reputation from 'poor' to 'excellent' within 30 days, dramatically increasing email deliverability.
User Onboarding Security
SaaS platforms integrate 1Lookup's phone validation during user onboarding to verify legitimate users while blocking fraudulent attempts. This has helped customers identify 87% more fraudulent signups than their previous solutions, saving hundreds of thousands in potential losses.
How to Use 1Lookup: Step-by-Step Guide
Sign up for a free account on 1Lookup.io to receive 1,000 free lookups. The registration process takes less than 5 minutes and requires no credit card information.
Choose your integration method - either through the simple API (documentation provided) or use one of the pre-built SDKs for popular programming languages.
Make your first API call by sending a phone number, email address, or IP address to the appropriate validation endpoint. The system will return a comprehensive validation response in under 300ms.
Analyze the response data which includes validation status, risk score, and detailed intelligence about the queried data point. Use this information to make real-time decisions in your application flow.
Monitor your usage through the dashboard and upgrade your plan as needed. The platform provides detailed analytics to help you understand your validation patterns and fraud prevention effectiveness.
1Lookup Pros and Cons: Honest Review
Pros
Considerations
Is 1Lookup Worth It? FAQ & Reviews
Yes, unused subscription credits roll over for up to 3 months, giving you flexibility in your usage patterns without losing value.
Absolutely. You can upgrade or downgrade your plan at any time, with changes taking effect at your next billing cycle.
When enabled, your subscription automatically renews when you have 10 credits or less, plus you receive a 10% bonus on the replenished credits.
Yes, custom pricing with volume discounts is available for businesses needing more than 200,000 credits per month. Contact sales for enterprise solutions.
Yes, new users receive 1,000 free lookups to test the platform's accuracy and features before committing to a paid plan.