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1. What Is Checker?
Checker is an API-focused, real-time user registration validation service that protects websites from fake signups and disposable email addresses. The platform detects temporary emails, suspicious domains, and blocks fraudulent registrations in under 200ms response time.
Core Purpose:
- Block fake users before they enter your system
- Protect against temporary email abuse
- Prevent resource waste from spam signups
- Maintain clean analytics and user data
Technology Foundation:
Checker uses “Pro Scrape Technology” that combines OmniCrawler for detecting temp domains and DomainCatch for spotting suspicious signup patterns. The system maintains a database of over 170,000+ suspicious domains.
The service is GDPR-compliant and runs on AWS infrastructure for reliable performance. It’s designed for SaaS platforms, e-commerce sites, content management systems, and any web application requiring user registration.
I find the sub-200ms response time particularly impressive for real-time validation.
2. Who Created Checker?
Their website doesn’t prominently feature specific founder or company information in the available materials. The platform appears to be developed by a team focused on email validation and fraud prevention technology.
Company Details:
- Powered by Shopify infrastructure
- Based on AWS-supported technology
- 24/7 support team available
- Average support response time of 4 hours
Development Focus:
The team emphasizes building solutions that align with best practices of teams worldwide. They’re actively developing new features like device fingerprinting and expanding CMS platform support.
Support Structure:
They maintain dedicated support channels at support@usechecker.com and offer technical assistance through control panel tickets.
The company appears focused on continuous improvement, with daily database updates and plans for additional platform integrations beyond their current WordPress plugin.
I’d recommend contacting their support team directly for specific company background information if that’s important for your evaluation.
3. How Much Does Checker Normally Cost?
Checker offers three monthly pricing tiers with unlimited email checks and scalable features:
Pricing Plans:
- Basic: $19/month – 10 requests per second, 2 API keys, Pro Scrape Technology
- Professional: $49/month – 20 requests per second, 5 API keys, enhanced features
- Enterprise: $89/month – 50 requests per second, 10 API keys, maximum capacity
Included Features (All Plans):
- Unlimited disposable email checks
- WordPress plugin access
- Custom blacklist/whitelist support
- 24/7 customer support
- AWS-powered infrastructure
Trial and Payment:
- 30-day free trial available
- Monthly billing only (no annual option currently)
- 14-day refund policy
The pricing scales based on request volume, making it suitable for businesses of different sizes. All plans include the core validation technology without usage limits on email checks.
4. What Are The Benefits Of Using Checker?
Checker delivers significant operational and financial benefits by protecting against fake user registrations:
Resource Optimization:
- Reduces wasted server load from fake accounts
- Prevents drain on customer support resources
- Improves system performance by blocking spam
- Ensures fair access by stopping trial abuse
Data Quality:
- Improves accuracy of marketing and analytical data
- Protects business decisions with clean user data
- Prevents skewed analytics from fake signups
- Ensures advertising targets real audiences
Revenue Protection:
- Blocks freemium model exploitation
- Prevents trial hoarders and multi-account users
- Reduces IT costs through automated protection
- Maintains reliable, profitable marketing funnels
The platform helps businesses focus on genuine users while automatically filtering out problematic registrations. I appreciate how it addresses both technical and business challenges simultaneously.
5. What Are The Main Features Of Checker?
Checker combines advanced detection technology with easy implementation options:
Pro Scrape Technology:
- OmniCrawler: Scans temporary email providers daily, maintains 170,000+ suspicious domain database
- DomainCatch: Analyzes registration patterns to detect suspicious domain activity
- RiskyIPs: Device fingerprinting to detect multiple registrations (coming soon)
Integration Options:
- RESTful API with comprehensive documentation
- WordPress plugin for no-code implementation
- Real-time analytics dashboard
- Multiple website support from single account
Customization Features:
- Custom blacklist/whitelist management
- White label capabilities
- GDPR-compliant data processing
- AWS-powered infrastructure for reliability
Performance Specs:
- Sub-200ms API response time
- Real-time validation without UX impact
- Daily database updates
- 24/7 monitoring and support
6. What Companies And Brands Use Checker?
Checker targets various business types that require user registration protection rather than specific named brands:
Primary Target Markets:
- SaaS platforms protecting freemium models
- E-commerce sites preventing fake account creation
- Small businesses managing limited resources
- Solopreneurs needing automated protection
Platform Types:
- Content management systems
- Forum and community sites
- Membership-based applications
- WordPress-powered websites
Customer Base:
Their website mentions being “proudly rated 5/5 from 1000+ customers,” indicating a substantial user base across different industries.
Use Cases:
Any business with registration forms wanting protection from fake users can benefit. The service particularly appeals to companies experiencing trial abuse, analytics distortion, or resource drain from spam signups.
The broad applicability means Checker serves businesses across multiple sectors rather than focusing on specific industry verticals.
7. How Have They Benefited From It?
Customers report significant improvements in system efficiency and data quality:
Operational Benefits:
- Reduced server resource waste from blocking fake accounts
- Lower customer support ticket volume
- Improved system performance and stability
- More efficient use of infrastructure resources
Business Intelligence:
- Cleaner analytics data for better decision-making
- More accurate conversion rate metrics
- Improved ROI tracking on marketing campaigns
- Better understanding of genuine user behavior
Cost Savings:
- Reduced IT costs through automated protection
- Lower advertising waste from targeting fake users
- Decreased bandwidth usage and storage costs
- More efficient resource allocation
Customer Satisfaction:
The 5/5 rating from 1000+ customers suggests high satisfaction levels. Users appreciate the fast implementation, reliable performance, and immediate impact on signup quality.
Businesses report being able to focus on genuine users instead of constantly dealing with spam and fake registrations.
8. Does Checker Come With A Satisfaction Guarantee?
Checker offers multiple risk reduction options to ensure customer satisfaction:
Trial Period:
- 30-day free trial with full access to features
- No credit card required to start testing
- Complete evaluation of real-world performance
Refund Policy:
- 14-day refund window from purchase date
- Full refund available if requested within timeframe
- No refunds accepted after 14-day period
Support Guarantee:
- 24/7 customer support availability
- Average 4-hour response time
- Technical problem resolution assistance
- Multiple support channels available
Performance Assurance:
- Sub-200ms response time guarantee
- AWS-powered infrastructure reliability
- Daily database updates for accuracy
- GDPR compliance standards
The combination of free trial and refund window provides 44 days total to evaluate the service risk-free.
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