ZelNum vs FlashData

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 FlashData
Detail	ZelNum	FlashData
What it does	Phone number, carrier, and messaging app verification platform for contact list cleaning and fraud review	Google search, YouTube data, and video downloads through one API
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	Free tier: up to 4,000 API calls. Pay as you go: $1.00 per 1,000 Google Search requests, $0.50 per 1,000 YouTube Data requests, $100 per TB downloaded. Subscription plans: Micro $49/month (1,000 credits), Starter $199/month (4,000 credits), Pro $499/month (10,000 credits), Scale $999/month (20,000 c
Key features	Bulk CSV/TXT file upload and processing VoIP and disposable number detection Real-time single lookups and batch API jobs	Google Search across web, images, news, shopping, videos and places YouTube video search and metadata retrieval Video and audio downloads to cloud storage Realtime, async and batch processing modes Structured JSON responses MCP integration for AI assistants Direct delivery to Amazon S3, Google Cloud Storage and Azure Video transcript and caption retrieval Shared credits balance across all APIs
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 API for Google Search, YouTube data and media downloads with one shared credits balance No need to maintain scrapers or proxies Direct cloud storage delivery without managing infrastructure Support for realtime, async and batch processing modes MCP integration for AI agents and assistants
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 +1 (up) since last check	18 −1 (down) since last check
Trust Flow (Majestic)	15	0
Citation Flow (Majestic)	29	33
Referring domains (Majestic)	19	22

5 details filled in for both companies.

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