2026 Review

WHOISJSON Review

WHOIS, DNS, SSL, and availability API with a lightweight free plan

Quick Facts

Website
whoisjson.com
Pricing Starts At
$10/month for 30,000 requests
Free Tier
1,000 requests/month, no card required
Category
API Provider
TLD Coverage
1,500+ TLDs
Enterprise Plan
$600/month Atlas plan; higher volume custom

Overview

WHOISJSON packages WHOIS, DNS, SSL certificate, and availability lookups into a lightweight API for teams that need practical lookup coverage without enterprise overhead.

Pros & Cons

Pros

  • Covers WHOIS, DNS, SSL, and availability in one API
  • Simple entry pricing and low-friction onboarding
  • Useful free tier for early testing and prototypes

Cons

  • Less historical depth than larger intelligence platforms
  • Smaller ecosystem and fewer enterprise references
  • Limited threat-intel and monitoring depth

Compare with DomScan →

See how WHOISJSON compares to DomScan across features, pricing, and TLD coverage.

WHOISJSON vs DomScan

Feature WHOISJSON DomScan
Free Tier ✓ 10,000/month
Domain Availability
WHOIS Data
DNS Lookup
Domain Valuation
Brand Monitoring
MCP/AI Integration
Bulk Operations Limited

See full comparison →

Sources

Last updated:

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