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Reference edition 2026.46

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LogoAPI.sh vs Duo Leads

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

LogoAPI.sh compared with Duo Leads
DetailLogoAPI.sh logo LogoAPI.sh Duo Leads
What it doesFree logo API for any company by domain, no signup required SEO and keyword data API with 44 routes, paid per call over x402 in USDC on Base
StageNot given Not given
FoundedNot given Not given
Based inUS NL
Pricing modelFreemium Paid
PricingFree: 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. Prices per call range from $0.012 to $0.25 in USDC on Base. Keyword overview: $0.04. Search volume: $0.04. Keyword ideas: $0.04. Related keywords: $0.04. Keyword variations: $0.04. Keyword difficulty: $0.04. Search intent: $0.04. Keyword volume history: $0.048. Keyword suggestions: $0.04. Google Ads
Key features
  • 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
  • Keyword research with search volume, CPC, difficulty, intent and ideas for up to 100 keywords per call
  • Domain overview, traffic estimates and ranked keywords for up to 100 domains
  • Backlink profile data including referring domains and anchor texts with 24-month history
  • On-page SEO audit and Lighthouse page speed analysis for individual URLs
  • Amazon keyword ideas and search results across multiple regional stores
  • Brand mention tracking and AI answer visibility monitoring
  • Website technology stack and WHOIS domain registration data
  • No account, API key or subscription required; pay per call in USDC on Base blockchain
What makes it different
  • 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
  • Pay-per-call pricing in USDC stablecoin on Base blockchain with no account setup required
  • 44 routes across 9 data families covering comprehensive SEO and keyword research data
Community votes00
DR (Domain Rating by Ahrefs)4 +1 (up) since last check6 no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)1324
Referring domains (Majestic)119

6 details filled in for both companies.

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