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ZelNum vs LogoAPI.sh

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 LogoAPI.sh
DetailZelNum logo ZelNumLogoAPI.sh logo LogoAPI.sh
What it doesPhone number, carrier, and messaging app verification platform for contact list cleaning and fraud review Free logo API for any company by domain, no signup required
StageNot given Not given
FoundedNot given Not given
Based inEE US
Pricing modelPaid Freemium
PricingPay-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: 2M requests per month per site, no signup or key required. Pro: $29/month for up to 10M requests per month. Enterprise: Custom limits and terms available upon contact.
Key features
  • Bulk CSV/TXT file upload and processing
  • VoIP and disposable number detection
  • Real-time single lookups and batch API jobs
  • 4,894 company logos in SVG format
  • Multiple color versions per logo (white, black, grey, dark)
  • Favicon fallback for missing logos
  • Search API with tag filtering
  • 2M requests per month per site free
  • Edge-cached for one day
  • Logo Finder tool for non-developers
  • Open-source core on GitHub
  • Favicon API for any site's favicon
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
  • Free alternative to Clearbit with same URL structure for easy migration
  • Highest free tier: 2M requests per month with SVG and no key
  • All four: domain URL, SVG colors, no key at any volume, and 2M monthly requests
  • Never broken images with live favicon fallback
  • Logos always current through automatic upstream updates
Community votes00
DR (Domain Rating by Ahrefs)18 +1 (up) since last check4 +1 (up) since last check
Trust Flow (Majestic)153
Citation Flow (Majestic)2913
Referring domains (Majestic)191

6 details filled in for both companies.

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