11 DomainIndex alternatives in 2026
Other providers sell domain WHOIS APIs like DomainIndex's. DomScan costs $0.294 per 1,000 domains, ALAPI $0.299 and RDAPAPI $0.30.
Domain WHOIS API alternatives
On our DomainIndex plan pages, we compare each DomainIndex plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 domains first.
| Provider and plan | $ per 1,000 domains |
|---|---|
| DomScan, $49 monthly, Scale, GET /v1/whois | $0.294 |
| ALAPI, CNY 10 pack | $0.299 |
| RDAPAPI, $9 monthly | $0.30 |
| Netlas, $9,960 yearly | $0.32 |
| Siftwright, $299 monthly | $0.399 |
| Whoxy, $10,000 pack | $0.40 |
| WhoisJsonAPI, $490 yearly | $0.408 |
| HackerTarget, $1,200 yearly | $0.438 |
| Leadgen Romania, €9 monthly | $0.675 |
| Hexomatic, $99 monthly | not published |
| domainIQ, $49.95 monthly, Pro, GET /api, Retrieving simple WHOIS records | not published |
Compare every domain WHOIS API plan: Domain WHOIS API pricing: free and cheapest plans compared