# 10 StableDomains alternatives in 2026 Last updated: November 11, 2026. The best StableDomains alternatives for domain WHOIS APIs: thenetworkery, FluentEDI and DomainDetails, by our benchmark of November 10, 2026. StableDomains's website is stabledomains.net. ## Domain WHOIS API alternatives [StableDomains](https://datacircle.dev/domain-whois-apis/stabledomains/free) is #8 of the 38 providers we rank. Every provider of this API, ranked: [Domain WHOIS API: best providers in 2026](https://datacircle.dev/best-domain-whois-api) 1. [thenetworkery, free](https://datacircle.dev/domain-whois-apis/thenetworkery/free): Overall score 95.5, Accuracy score 97, $0.00 per 1,000 domains 2. [FluentEDI, free](https://datacircle.dev/domain-whois-apis/fluentedi/free): Overall score 92.5, Accuracy score 86, $0.00 per 1,000 domains 3. [DomainDetails, €9.99 monthly, Alerts](https://datacircle.dev/domain-whois-apis/domaindetails/free-get-api-rdap#9-99-monthly-alerts-get-api-rdap): Overall score 90.6, Accuracy score 99, $0 extra per 1,000. The €9.99 monthly price covers any number of domains. 4. [DC5 WHOIS, free, Public instance](https://datacircle.dev/domain-whois-apis/dc5-whois/free-public-instance-get-api-v1-domain): Overall score 90.3, Accuracy score 97, $0.00 per 1,000 domains 5. [WhoisJSON, $120 monthly](https://datacircle.dev/domain-whois-apis/whoisjson/free#120-monthly): Overall score 89.1, Accuracy score 99, $0.014 per 1,000 domains 6. [Enterno, free, Open API](https://datacircle.dev/domain-whois-apis/enterno/free-scout#free-open-api): Overall score 88.1, Accuracy score 89, $0.00 per 1,000 domains 7. [IPAddress.to, free](https://datacircle.dev/domain-whois-apis/ipaddress-to/free): Overall score 83.8, Accuracy score 97, $0.00 per 1,000 domains 9. [Robtex, free](https://datacircle.dev/domain-whois-apis/robtex/free): Overall score 83.2, Accuracy score 71, $0.00 per 1,000 domains 10. [FernTool, free](https://datacircle.dev/domain-whois-apis/ferntool/free): Overall score 83.1, Accuracy score 87, $0.00 per 1,000 domains 11. [Agent Toolbox, free](https://datacircle.dev/domain-whois-apis/agent-toolbox/free): Overall score 81.2, Accuracy score 81, $0.00 per 1,000 domains ## See also - [thenetworkery alternatives](https://datacircle.dev/thenetworkery-alternatives) - [FluentEDI alternatives](https://datacircle.dev/fluentedi-alternatives) - [DomainDetails alternatives](https://datacircle.dev/domaindetails-alternatives) - [DC5 WHOIS alternatives](https://datacircle.dev/dc5-whois-alternatives) - [WhoisJSON alternatives](https://datacircle.dev/whoisjson-alternatives) - [Enterno alternatives](https://datacircle.dev/enterno-alternatives) - [IPAddress.to alternatives](https://datacircle.dev/ipaddress-to-alternatives) - [Robtex alternatives](https://datacircle.dev/robtex-alternatives)