1Lookup

Clearbit

Clearbit Enriches Data.1Lookup Validates Precisely.

Tired of Clearbit's $200+ monthly pricing for basic validation? Customer reviews show 1Lookup delivers superior accuracy at 85% lower cost. As the leading Clearbit alternative, we specialize in validation-first architecture with 99.5% accuracy, fraud detection, and transparent pricing that won't break your budget.

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Built for Different Purposes

Understanding the fundamental difference between enrichment platforms and validation specialists

Clearbit: Enrichment Platform

Clearbit builds comprehensive company and person profiles by aggregating data from multiple sources. Email validation is a complementary feature to support their enrichment services.

Primary focus: Data enrichment

Best for: Sales and marketing teams

Validation: Basic feature

Pricing: Credit-based system

1Lookup: Validation Specialist

1Lookup is built from the ground up for data validation with enterprise-grade accuracy, fraud detection, and real-time verification across phone, email, and IP addresses.

Primary focus: Data validation

Best for: Technical teams

Validation: Core expertise

Pricing: Per-validation

What Clearbit Reviews Tell Us

Customer reviews reveal the real cost and limitations of Clearbit for validation use cases

Common Clearbit Review Themes

Expensive Pricing

"Clearbit pricing becomes prohibitive for high-volume validation needs"

Validation as Afterthought

"Email validation feels like a side feature, not the main focus"

Slow for Real-time Use

"Response times too slow for real-time validation workflows"

1Lookup Customer Reviews

Transparent Pricing

"1Lookup pricing is straightforward - no hidden fees or complex credits"

Validation Specialist

"Built specifically for validation - you can tell it's their core focus"

Lightning Fast

"Perfect for real-time validation - responses in under 120ms consistently"

Feature Comparison

How validation specialists compare to enrichment platforms

Feature	1Lookup	Clearbit	Winner
Email Validation Accuracy Specialized validation vs. enrichment feature	99.5% deliverability accuracy	94% typical accuracy	1Lookup
Validation Speed Optimized for validation vs. data enrichment	120ms real-time validation	300ms+ enrichment focus	1Lookup
Service Focus Validation specialist vs. enrichment generalist	Specialized validation platform	Data enrichment platform	Different
Fraud Detection Security-focused vs. enrichment-focused	Advanced fraud scoring	Basic email verification	1Lookup
Pricing Model Transparent validation pricing vs. credit systems	Simple per-validation pricing	Complex enrichment credits	1Lookup
API Complexity Focused API vs. multi-service platform	Simple validation API	Complex enrichment platform	1Lookup
Getting Started Quick validation vs. full platform onboarding	Instant validation access	Platform setup required	1Lookup
Data Breadth Depth vs. breadth in data approach	Deep validation intelligence	Broad enrichment data	Different

Security & Fraud Prevention

Stop Fraud Before It Starts With Intelligence Clearbit Can't Match

Basic email verification without fraud intelligence 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

Fraud Risk Score

LOW RISK

Spam Indicator:45%

VOIP Detection:Yes

Recent Reports:3

Confidence:91%

Global Response Times

🇺🇸 US East

160ms

🇪🇺 EU West

200ms

🌏 Asia Pacific

260ms

🌍 Global Avg

210ms

Average: 156ms

vs Clearbit's 350ms (enrichment focus)

Performance & Speed

Deliver Results Faster Than Clearbit's Sluggish API

Speed matters when users are waiting. 1Lookup's globally distributed edge network delivers validation results in under 200ms worldwide, while Clearbit's infrastructure struggles with 350ms (enrichment focus) 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

Enterprise-Grade Uptime

High availability with automatic failover

Data Intelligence

Get Complete Intelligence, Not Just Clearbit's Limited Data

Enrichment-focused with basic validation 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.

HLR Lookup Data

Subscriber Status

Network Intelligence

Roaming Detection

Porting History

Line Type Detection

Regional Coverage

Timezone Data

Complete Phone Profile

Carrier:T-Mobile USA

Line Type:Mobile

HLR Status:Active

Roaming:Not roaming

Ported:No

Network:LTE

Timezone:Pacific

Country:United States

Simple Migration from Clearbit

// Before (Clearbit)

// Clearbit - Enrichment focus const response = await fetch( 'https://person.clearbit.com/v2/people/find?email=person@example.com', { headers: { 'Authorization': 'Bearer YOUR_KEY' } } ); const data = await response.json(); // Rich person data, basic email verification

// After (1Lookup)

// 1Lookup - Validation focus const response = await fetch('https://api.1lookup.io/v1/validate/email', { method: 'POST', headers: { 'Authorization': 'Bearer YOUR_API_KEY', 'Content-Type': 'application/json' }, body: JSON.stringify({ email: 'person@example.com' }) }); const data = await response.json(); console.log({ valid: data.valid, deliverable: data.deliverable, fraud_score: data.fraud_score, mx_valid: data.mx_valid, smtp_valid: data.smtp_valid, disposable: data.disposable });

Specialized in validation accuracy

Advanced fraud detection

Real-time SMTP verification

Focused API for validation use cases

Developer Experience

Migrate in Minutes With Better Docs and Support Than Clearbit

Switch from Clearbit'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

Pricing & Scale

Save Significantly on Validation Without Sacrificing Quality

Enrichment platform with validation as add-on feature 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 Clearbit'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

10K validations

$30/month$200/month

Save $170

100K validations

$150/month$1,500/month

Save $1,350

1M validations

$800/month$12,000/month

Save $11,200

Significant savings across all tiers

The Smart Clearbit Alternative

Why pay Clearbit's premium pricing for basic validation? Join thousands who switched to 1Lookup for superior accuracy, 85% cost savings, and validation-first architecture. Customer reviews consistently rate us higher for validation use cases.

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