Head-to-head · WHOIS Lookup Tools
WhoisJSON API vs WhoisFreaks WHOIS API
WhoisJSON API leads on 2 checks, WhoisFreaks WHOIS API on 0, and 3 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreWhoisJSON API · 8.8/10
- Lowest starting priceWhoisJSON API · $10/mo
- Free planonly WhoisJSON API
- Most featuresWhoisFreaks WHOIS API · 3 of 3
WhoisJSON API scores higher on our rubric for whois lookup tools: 8.8 against 8.6 out of 10; our editors rank them #4 and #5.
WhoisJSON API offers free plan; WhoisFreaks WHOIS API doesn't. WhoisJSON API is cheaper to start at $10/mo against $63/mo.
WhoisJSON API is the better fit for API users needing WHOIS plus domain intelligence. WhoisFreaks WHOIS API is the better fit for high-volume WHOIS intelligence teams.
- WhoisJSON API fits best
API users needing WHOIS plus domain intelligence
- WhoisFreaks WHOIS API fits best
High-volume WHOIS intelligence teams
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Side by side
| Feature | WhoisJSON API 8.8/10 Visit ↗ | WhoisFreaks WHOIS API 8.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.8 | 8.6 |
| Ranking | #4 in WHOIS Lookup Tools | #5 in WHOIS Lookup Tools |
| Best for | API users needing WHOIS plus domain intelligence | High-volume WHOIS intelligence teams |
| Pricing model | Free plan + paid | Paid |
| Starting price | $10/mo (best) | $63/mo |
| Free plan | ✓ (best) | — |
| Free trial | — | — |
| Deployment | Cloud | Cloud |
| Support | Docs | Email, Docs |
| Compliance | GDPR | GDPR |
| Integrations | 6 integrations | 16 integrations |
| Built for | Solo, Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features WhoisJSON API 0/3 · WhoisFreaks WHOIS API 3/3 | ||
| Bulk lookup | Not checked yet | ✓ (best) |
| Historical WHOIS | Not checked yet | ✓ (best) |
| RDAP support | Not checked yet | ✓ (best) |
| Specs | ||
| API access | Not checked yet | Full |
| Monthly lookup limit | Not checked yet | 50000 /mo |
| Export formats | Not checked yet | JSON, XML, CSV |
| Our review | ||
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| Cons |
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| Our verdict | WhoisJSON API is a hosted REST API for developers and businesses that need structured domain intelligence. Its endpoints cover WHOIS and RDAP registration lookups, DNS record resolution, SSL/TLS certificate validation, real-time domain… Read the review → |
WhoisFreaks WHOIS API provides structured domain-registration data for developers, cybersecurity teams, threat intelligence workflows, researchers, brand protection, due diligence, and domain portfolio analysis. Its API returns registrar,… Read the review → |
Strengths and trade-offs
WhoisJSON API — where it wins
- Combines WHOIS, DNS, SSL, availability, and monitoring endpoints
- Adds subdomain discovery and email-domain signup risk scoring
- Supports JSON output with integrations for PHP, Python, and Node.js
Where it doesn't
- It is an API service rather than a conventional API client
- XML support is limited to qualifying plans
- Higher-volume access requires moving through multiple paid tiers
WhoisFreaks WHOIS API — where it wins
- Live, historical, reverse, and RDAP WHOIS lookups
- Bulk API requests for up to 100 domains
- File processing for domain lists up to 3 million domains
Where it doesn't
- Starts at $63 per month billed annually
- No unlimited free plan
- Advanced capabilities require API-based workflows
- WhoisJSON API8.8/10 · Free plan
A focused domain-intelligence API with a free tier and plans from $10/month.
Visit WhoisJSONFull verdict → - WhoisFreaks WHOIS API8.6/10 · Paid
A broad WHOIS API for security, research, and domain intelligence at scale.
Visit WhoisFreaksFull verdict →
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All WHOIS lookup tools comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update




