ZelNum vs Just One API

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 Just One API
Detail	ZelNum	Just One API
What it does	Phone number, carrier, and messaging app verification platform for contact list cleaning and fraud review	Social media and e-commerce data API platform
Stage	Not given	Not given
Founded	Not given	Not given
Based in	EE	Not given
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	Not given
Key features	Bulk CSV/TXT file upload and processing VoIP and disposable number detection Real-time single lookups and batch API jobs	Python SDK for easy integration Official MCP server for AI agents Free API trial before payment Pay-per-use pricing model Access to posts, videos, articles and comments data Product search and price monitoring for e-commerce Influencer profile and audience data Async and sync request support Lightweight SDK with minimal dependencies
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	Single token for access to all platform APIs Official Python SDK and AI/MCP server support Covers both social media sentiment and e-commerce competitive monitoring Account balance does not expire Real-time data collection with complex processing
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 +1 (up) since last check	41 no change since last check
Trust Flow (Majestic)	15	8
Citation Flow (Majestic)	29	40
Referring domains (Majestic)	19	70

4 details filled in for both companies.

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