ZelNum vs Spiral

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 Spiral
Detail	ZelNum	Spiral
What it does	Phone number, carrier, and messaging app verification platform for contact list cleaning and fraud review	Give your agents superpowers
Stage	Not given	Not given
Founded	Not given	Not given
Based in	EE	US
Pricing model	Paid	Paid
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	Pay as you go with no subscriptions or plans. Credits are added to an account and used only for actual tool runs. Pricing varies by tool; examples include $0.195 per hour of audio for AssemblyAI, $0.00559 per minute for Deepgram audio, $0.156 per minute for ElevenLabs audio isolation, $2.86 per minu
Key features	Bulk CSV/TXT file upload and processing VoIP and disposable number detection Real-time single lookups and batch API jobs	Connect to 3,500+ tools from 17 providers Runtime tool discovery for agents One API key for all tools Pay-as-you-go pricing with no subscriptions Works with any AI agent Credits never expire Clear per-tool pricing displayed before running Support for media creation tools Integration with SEO and search tracking tools
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	1,685 priced tools with transparent per-use costs No need to manage separate API keys and subscriptions Agents automatically discover the right tool for each task Works across all major AI agent platforms Single balance and prepaid model eliminates subscription overhead
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 +1 (up) since last check	30 +29 (up) since last check
Trust Flow (Majestic)	15	0
Citation Flow (Majestic)	29	12
Referring domains (Majestic)	19	11

6 details filled in for both companies.

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