Still Waiting for Enterprise Sales?Get Started in 30 Seconds Instead.
Telesign is built for large enterprises with complex sales cycles and custom contracts. 1Lookup delivers the same validation quality with modern APIs, transparent pricing, and instant access. Built for developers and businesses who need enterprise-grade results without enterprise complexity.
Modern Developer Experience
While Telesign requires enterprise sales cycles and complex SDKs, 1Lookup offers instant access with clean REST APIs. Start validating phones in minutes, not months. No contracts, no sales calls, no enterprise complexity.
Transparent Pricing
Telesign's enterprise model means custom quotes, lengthy negotiations, and unclear costs. 1Lookup offers simple, transparent pricing at $0.005 per lookup with no hidden fees, minimum commitments, or enterprise markup.
Enterprise Features, Developer Experience
Get enterprise-grade validation without enterprise complexity
| Feature | 1Lookup | Telesign | Winner |
|---|---|---|---|
Phone Validation Accuracy Higher accuracy with real-time HLR verification | 99.9% guaranteed accuracy | 98% typical accuracy | |
API Response Time Faster responses optimized for consumer applications | 156ms average globally | 300ms+ enterprise focus | |
Pricing Model Transparent pricing vs. complex enterprise deals | $0.005 per lookup | Enterprise contracts only | |
Fraud Detection Advanced ML fraud detection vs. simple reputation | Built-in AI fraud scoring | Basic reputation data | |
Getting Started Self-service vs. lengthy enterprise onboarding | Sign up and start in minutes | Enterprise sales process | |
Global Coverage Slightly better global reach | 195+ countries | 190+ countries | |
API Complexity Developer-friendly vs. enterprise complexity | Simple REST API | Complex enterprise SDK | |
Support Model Different support models for different needs | 24/7 technical support | Dedicated enterprise support |
Stop Fraud Before It Starts With Intelligence Telesign Can't Match
While Telesign provides enterprise-grade phone validation with basic fraud protection, 1Lookup goes deeper with advanced fraud detection that analyzes patterns, identifies suspicious numbers, and provides real-time risk scoring. Protect your business from SMS fraud, account takeovers, and fake registrations with intelligence that learns and adapts.
Real-time Risk Scoring
Instant fraud probability assessment for every number
Pattern Recognition
Detect suspicious behavior patterns across millions of numbers
Adaptive Learning
AI that improves fraud detection accuracy over time
Global Response Times
vs Telesign's 300ms+
Deliver Results Faster Than Telesign's Sluggish API
Speed matters when users are waiting. 1Lookup's globally distributed edge network delivers validation results in under 200ms worldwide, while Telesign's infrastructure struggles with 300ms+ response times. Our optimized algorithms and strategic caching ensure your users never wait, improving conversion rates and user experience.
Edge Computing Network
15 global data centers for minimal latency
Intelligent Routing
Automatic routing to nearest available server
99.99% Uptime SLA
Guaranteed availability with automatic failover
Get Complete Intelligence, Not Just Telesign's Limited Data
Telesign provides solid enterprise validation but with complex APIs and limited self-service intelligence. 1Lookup provides a complete intelligence profile: HLR data, subscriber status, porting history, network type, roaming information, and more. Make informed decisions with data that actually helps your business understand and verify your users.
Complete Phone Profile
Simple Migration from Telesign
const telesignSDK = new TelesignSDK(
  customerId,
  apiKey,
  restEndpoint
);
telesignSDK.phoneid.phoneNumber(
  phoneNumber,
  ucid,
  callback
);
  `https://api.1lookup.io/v1/validate/{number}`,
  {headers: {'X-API-Key': key}}
);
Migrate in Minutes With Better Docs and Support Than Telesign
Switch from Telesign's complex implementation to 1Lookup's clean REST API in one line of code. Our documentation is clearer, our examples work out of the box, and our support team actually responds. Plus, no rate limits means you can scale without throttling headaches.
No Rate Limits
Scale to millions of requests without throttling
24/7 Support
Real humans, not chatbots, when you need help
Clear Documentation
Examples that work, guides that make sense
Save Significantly on Validation Without Sacrificing Quality
Telesign's enterprise model requires custom contracts, lengthy sales cycles, and often higher costs for smaller volumes. 1Lookup offers transparent, predictable pricing that scales with your business. No surprise charges, no commitment requirements, no rate limit fees. Just better validation at a fraction of the cost.
Significant Cost Savings
$0.005 vs Telesign's higher pricing
No Hidden Fees
What you see is what you pay—no surprises
Volume Discounts
Save even more as you scale up
Monthly Cost Comparison
Save Transparent pricing
Save No sales process
Save Instant access
Significant savings across all tiers
Choose Based on Your Needs
Both offer great validation—the difference is how you get it
Telesign is best for:
- • Large enterprises with complex requirements
- • Organizations preferring custom contracts
- • Companies with dedicated integration teams
- • Businesses requiring extensive support SLAs
1Lookup is best for:
- • Developers who want to start immediately
- • Companies needing transparent pricing
- • Teams preferring simple, modern APIs
- • Businesses wanting enterprise quality without complexity
Same Quality, Better Experience
Get the validation accuracy of enterprise solutions with the simplicity developers love. Start in minutes, not months.
Skip the Enterprise Sales Process
Get enterprise-grade phone validation with modern APIs and transparent pricing. Start validating in minutes, not months.
100 free API calls • Enterprise accuracy • Developer simplicity