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ColdProxy vs ISBNLab

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

ColdProxy compared with ISBNLab
DetailColdProxy logo ColdProxy ISBNLab
What it doesResidential and datacenter proxies with public pricing and 24/7 support Book metadata database and API for searching, converting and using ISBN data
StageEstablished Not given
Founded2020 Not given
Based inUS US
Pricing modelFreemium Freemium
PricingResidential IPv4 (Unmetered) from $2.49/hour (5 Mbps); Residential IPv4 (GB Based) from $1.27/month (1 GB); Residential IPv6 from $0.99/hour (10 Mbps); Datacenter IPv6 from $3.80/day (15 Mbps). Up to 15% discount on monthly plans. Free: $0/mo with 1,000 Daily Calls; Standard: $5/mo with 5,000 Daily Calls; Pro: $15/mo with 15,000 Daily Calls. Custom plans available.
Key features
  • 70M+ residential IPv4 pool across 195+ countries
  • 99.9% success rate
  • Up to 0.6s response time on Residential IPv4
  • Unlimited traffic on speed-tier plans
  • State and city-level targeting where available
  • Rotating or sticky sessions from 5 seconds to 24 hours on Residential IPv4
  • HTTP, HTTPS, and SOCKS5 protocol support
  • No traffic logs or content logging
  • 24/7 support in English and Arabic
  • Ethically sourced and compliance-held residential IPs
  • REST and GraphQL API
  • ISBN validation and conversion
  • Multiple response formats: JSON-LD, JSON and CSV
  • OpenAPI and Swagger documentation
  • Official client libraries for PHP, Python, TypeScript/JavaScript and Go
  • Catalog of 102.1M book editions
  • Groups every edition of a book together
  • Comprehensive book data: ISBN-10, ISBN-13, EAN, ASIN, title, authors, publishers
  • Author information including names, birth and death dates, biography and photos
What makes it different
  • Pay for speed, not gigabytes: speed-tier plans have unlimited traffic with no throttling
  • Instant activation for GB-based and IPv6 plans after payment clears
  • Public transparent pricing with no hidden fees or VAT
  • Flexible billing from hourly to monthly with up to 15% discounts
  • Support both rotating and sticky session controls with customizable durations
  • One consistent schema for every book keyed by ISBN
  • Catalog of 102.1M book editions
  • ISBN validation and conversion for any valid ISBN, not just books in the catalog
  • Suitable for beginner, intermediate and advanced users
Community votes00
DR (Domain Rating by Ahrefs)29 no change since last check4 no change since last check
Trust Flow (Majestic)121
Citation Flow (Majestic)2832
Referring domains (Majestic)1136

6 details filled in for both companies.

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