Quick Facts
- Category
- API Provider
- Website
- host.io
- Pricing Starts At
- Plans from $99/month
- Free Tier
- 1,000 requests/month free
- TLD Coverage
- Top 10M domain dataset
- Enterprise Plan
- Custom enterprise plans
Pros & Cons
✓ Pros
- Excellent technology detection (web frameworks, analytics, etc.)
- Domain relationship mapping and backlinks
- IPinfo integration for IP intelligence
- Free top 10M domains list download
- Google Cloud infrastructure
- Good free tier (1,000 requests/month)
− Cons
- Monthly data updates only (not real-time)
- Strict pagination limits (5 results on free tier)
- No historical domain data
- Limited WHOIS data compared to specialists
- Results limited by plan tier
🎯 Our Verdict
Host.io excels at technology detection and domain relationship mapping. If you need to know what technologies a website uses or find related domains, it is excellent. However, for comprehensive WHOIS data or domain availability checking, specialized alternatives are better suited.
Best For: Competitive analysis, technology profiling, lead generation, sales intelligence
Not Recommended For: Domain availability checking, comprehensive WHOIS research, historical data needs
Key Features
🔧
Technology Detection
Identify web frameworks, CDNs, analytics
🔗
Domain Relationships
Related domains, backlinks, redirects
🌐
IP Intelligence
IPinfo integration for geolocation
📊
Top 10M List
Free downloadable domains list
Pricing
| Tier | Price | Credits/Requests |
|---|---|---|
| Free | $0 | 1,000/month |
| Basic | $99/month | 10,000 |
| Business | $499/month | 100,000 |
| Enterprise | $999+/month | 500,000+ |
Host.io vs DomScan
| Feature | Host.io | DomScan |
|---|---|---|
| Free Tier | Limited | ✓ 10,000/month |
| Domain Availability | ✓ | ✓ |
| WHOIS Data | Limited | ✓ |
| DNS Lookup | ✓ | ✓ |
| Domain Valuation | — | ✓ |
| Brand Monitoring | ✓ | ✓ |
| MCP/AI Integration | — | ✓ |
| Bulk Operations | ✓ | ✓ |