ZelNum vs Stophy

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

ZelNum compared with Stophy
Detail	ZelNum	Stophy
What it does	Phone number, carrier, and messaging app verification platform for contact list cleaning and fraud review	One API to search the web, read what people say, and look up products, places, jobs and homes.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	EE	EE
Pricing model	Paid	Freemium
Pricing	Pay-as-you-go prepaid credits. WhatsApp: $0.5 per 10,000 lookups (bulk) or $0.008 per lookup (realtime). Telegram: $1.5 per 10,000 lookups (bulk) or $0.012 per lookup (realtime). HLR Lookup: $4 per 10,000 lookups. Carrier Lookup: $4 per 10,000 lookups. No subscription, minimum order 500–2,000 depend	Free: $5 in free calls, no card required. Pay as you go: $1.50 per 1,000 calls, with volume discounts: $1.20 from $100 top-up, $0.80 from $500 top-up. Custom plans available for higher rate limits and new sites.
Key features	Bulk CSV/TXT file upload and processing VoIP and disposable number detection Real-time single lookups and batch API jobs	MCP server support for Claude Code, Codex and Cursor REST API, TypeScript and Python SDKs One unified JSON response format across all sites Filter results by price range, rating, location and more Select specific fields to reduce response size and context usage Failed calls and empty results cost nothing No captchas, blocks or rate limits seen by agents
What makes it different	45 verification tools in one workflow covering phone, carrier, messaging apps, and social platforms Global coverage across international phone datasets and carrier networks Pay-as-you-go credits with no subscription, minimum commitment, or recurring fees Scalable from free single lookups to bulk API workflows and high-volume batch jobs	One key covers every site with no separate API keys or approvals needed No browser to run or scraper to maintain Same response format from every site means agents never need to change Free calls on failed or empty results, paying only for data returned Reads only public data, never logs in or posts on behalf of users
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 +1 (up) since last check	8 no change since last check
Trust Flow (Majestic)	15	1
Citation Flow (Majestic)	29	12
Referring domains (Majestic)	19	31

6 details filled in for both companies.

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