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StopReg vs Signa

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 Signa
Detail StopRegSigna logo Signa
What it doesReal-time email intelligence API to detect disposable, fake, and risky email addresses Global trademark API for search, screening, and monitoring across major trademark offices
StageNot given Not given
FoundedNot given Not given
Based inNot given CY
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. Free plan: 10,000 credits on signup plus 1,000 credits per month. Starter: $99/month (billed yearly) with 20,000 credits per month, $10 per 1,000 extra credits. Growth: $399/month (billed yearly) with 100,000 credits per month, $5 per 1,000 extra credits. Scale: $999/month (billed yearly) with 500,0
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
  • Exact, fuzzy, phonetic and lookalike matching across trademarks
  • 40M+ trademark records from USPTO, EUIPO, WIPO, UKIPO and national registers
  • REST API with webhooks and consistent schema across all registers
  • Sub-1 second typical search response times
  • 99.9% uptime target
  • Trademark screening to flag conflicts before name commitment
  • Product listing scan with automatic brand term extraction
  • Trademark monitoring with alerts for new similar filings
  • AI-assisted risk detection for fuzzy and lookalike matches
  • Synchronous listing checks inline during publishing workflows
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
  • One unified API covers all major trademark registers instead of separate integrations
  • Automatic brand term extraction from product listings without seller input
  • Stateless API stores no customer catalog or query data by default
Community votes00
DR (Domain Rating by Ahrefs)7 no change since last check5 no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)2623
Referring domains (Majestic)2925

4 details filled in for both companies.

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