Host.io Review: Pricing & API Features

Quick Facts

Category: DNS and infrastructure APIs, Technology detection APIs, IP intelligence and reputation APIs
Website: host.io
Pricing Starts At: $99/month for 10,000 requests
Free Tier: 1,000 requests/month
How usage is billed: Credits, pages, requests, records, compute units, subscriptions, and browser-time blocks are not interchangeable.
Enterprise Plan: $999+/month for 500,000+ requests

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

Compare with DomScan → Visit Host.io