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StopReg vs The Companies API

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

StopReg compared with The Companies API
Detail StopRegThe Companies API logo The Companies API
What it doesReal-time email intelligence API to detect disposable, fake, and risky email addresses Search and enrich millions of companies with 300+ data points via API
StageNot given Not given
FoundedNot given Not given
Based inNot given FR
Pricing modelFreemium Not given
PricingFree: 200 requests/month. Launch: $20/month (60,000 requests). Scale: $50/month (200,000 requests). Boost: $100/month (500,000 requests). Power: $200/month (1,200,000 requests). Elite: $400/month (2,800,000 requests). Enterprise: Custom requests/month. Not given
Key features
  • Disposable email detection with auto-updated database
  • Role-based email detection (admin, support, info, sales addresses)
  • Public email provider detection (Gmail, Yahoo, Outlook)
  • Email syntax validation
  • MX record verification
  • Email forwarding and alias service detection
  • Domain management and custom enforcement policies
  • Real-time API validation with sub-300ms response times
  • Two API endpoints: full email validation and domain-only privacy-first
  • Web dashboard for manual checks and monitoring
  • Enrich companies by domain name, email address, or social network URL
  • 300+ data points per company including industry, employees, revenue, and social profiles
  • Search 50M+ companies using filters and natural language prompts
  • Find similar companies to target accounts
  • AI-powered questions and context fetching about companies
  • Real-time data updates and on-demand re-analysis
  • SDKs for JavaScript, Python, PHP, Go, and Ruby
  • Rate limits from 50 to 1,000 requests per second depending on plan
  • Public, GDPR-compliant data sourced from internet-visible information
What makes it different
  • Privacy-first domain-only validation option for regulated environments and GDPR compliance
  • Continuously updated disposable domain database with automated discovery and behavioral analysis
  • High-precision detection optimizing for low false positives over volume
  • Sub-second response times built for production scale and enterprise reliability
  • Best pricing on the market at 1 credit ($0.00119) per company
  • Own infrastructure and not a reseller, ensuring lowest costs
  • Comprehensive company schema refined over years with 1000+ companies using it
  • AI-ready context access for LLM integration without crawling
  • Live customer support with custom data point implementation within 15 days
Community votes00
DR (Domain Rating by Ahrefs)7 no change since last check50 −1 (down) since last check
Trust Flow (Majestic)78
Citation Flow (Majestic)2643
Referring domains (Majestic)29129

3 details filled in for both companies.

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