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StopReg vs ListRiver

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 ListRiver
Detail StopRegListRiver logo ListRiver
What it doesReal-time email intelligence API to detect disposable, fake, and risky email addresses Clean, filterable business lists from official state records with monthly refreshes
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
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 API tier: 500 records per month. Monthly plans: $50/month for 5,000 records, $100/month for 12,000 records, $200/month for 28,000 records, $450/month for 75,000 records. Prepaid packs: $50 for 5,000 records, $75 for 7,500 records, $100 for 10,000 records (expire 12 months after purchase). List
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
  • REST API with JSON responses
  • Filter by state, city, county, ZIP code, NAICS industry code, entity type, and formation date
  • Free count action to preview results before using records
  • Enriched data including emails, phone numbers, social media links and business contacts
  • Pay-in-6 financing for U.S. businesses with no interest or fees
  • 91 data fields available across different list types
  • Cursor-based pagination for resuming data pulls without paying twice
  • Business credit data enrichment from SMBCredit.net
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
  • Data from official state registries only, not aggregated from other sources
  • Standardized data across all states with duplicates removed
  • Pay-in-6 financing builds business credit with Experian and SMBCredit
  • No verification needed to pay in full; instant business verification for Pay-in-6
  • Data accuracy corrections available from businesses themselves
Community votes00
DR (Domain Rating by Ahrefs)7 no change since last check12 no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)2616
Referring domains (Majestic)292

4 details filled in for both companies.

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