StopReg vs HelloHop

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 HelloHop
Detail	StopReg	HelloHop
What it does	Real-time email intelligence API to detect disposable, fake, and risky email addresses	Independent WhatsApp API for developers with signed webhooks and group management
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	TH
Pricing model	Freemium	Freemium
Pricing	Free: 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 sandbox: 180 messages per day, 10 new chats per month, 1,500 API calls per month. Paid channels: 1-4 channels $25 USD per month or $240 USD per year each; 5-9 channels $20 USD per month or $192 USD per year each; 10+ channels $11 USD per month or $106 USD per year each.
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	Send and receive WhatsApp messages Signed HMAC-SHA256 webhooks Group and community management Media support (images, video, audio, documents) Health panel with five readings per number Unlimited messages on paid channels Test delivery webhooks MCP server for AI agents Durable webhook outbox with retries Number warm-up and rate limiting (HopGuard)
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	Independent API not requiring Meta approval or per-conversation fees Flat pricing per number with no per-message fees Live in minutes with just a QR code scan Signed webhooks with outcome unknown state Free sandbox that never expires
Community votes	0	0
DR (Domain Rating by Ahrefs)	7 no change since last check	27 no change since last check
Trust Flow (Majestic)	7	0
Citation Flow (Majestic)	26	16
Referring domains (Majestic)	29	3

5 details filled in for both companies.

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