Overview
IP2WHOIS
WHOIS API with IP2Location Integration
IP2WHOIS provides parsed WHOIS lookups, hosted-domain context, and ecosystem integrations for teams already using IP2Location services.
500 requests/month freeWHOISJSON
WHOIS, DNS, SSL, and availability API with a lightweight free plan
WHOISJSON packages WHOIS, DNS, SSL certificate, and availability lookups into a lightweight API for teams that need practical lookup coverage without enterprise overhead.
Free plan availablePricing Comparison
| Pricing | IP2WHOIS | WHOISJSON |
|---|---|---|
| Free Tier | 500 requests/month free | Free plan available |
| Paid Plans | Paid plans from $39/month | From $10/month |
| Enterprise | Custom pricing available | Higher-volume plans available |
| TLD Coverage | 1,855 TLDs | 1,500+ TLDs |
Feature Comparison
| Feature | IP2WHOIS | WHOISJSON |
|---|---|---|
| Free Tier | Included | Included |
| API Access | Included | Included |
| Bulk Operations | Limited | Limited |
| Real-time Data | Included | Included |
| WHOIS Data | Included | Included |
| DNS Lookup | Not Included | Included |
| Domain Valuation | Not Included | Not Included |
| Brand Monitoring | Not Included | Not Included |
| MCP/AI Integration | Not Included | Not Included |
Which is Better?
Choose IP2WHOIS if you need
- Straightforward WHOIS lookup coverage
- Part of IP2Location ecosystem
- Useful alongside IP2Location data
Choose WHOISJSON if you need
- Covers WHOIS, DNS, SSL, and availability in one API
- Simple entry pricing and low-friction onboarding
- Useful free tier for early testing and prototypes
Consider DomScan Instead
DomScan offers the best of both worlds with comprehensive features and developer-friendly pricing.
- ✓ Free tier: 10,000 credits/month (no credit card)
- ✓ 1,100+ TLDs supported
- ✓ MCP integration for AI assistants
- ✓ Domain valuation, brand monitoring, OSINT
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