# 10 DomChecker alternatives in 2026

Last updated: November 11, 2026.

The best DomChecker alternatives for domain WHOIS APIs: thenetworkery, FluentEDI and DomainDetails, by our benchmark of November 10, 2026. DomChecker's website is domchecker.ru.

## Domain WHOIS API alternatives

[DomChecker](https://datacircle.dev/domain-whois-apis/domchecker/free) is #15 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
13. [heade.rs, free](https://datacircle.dev/domain-whois-apis/heade-rs/free): Overall score 74.4, Accuracy score 79, $0.00 per 1,000 domains
14. [DomScan, $6 monthly, Starter](https://datacircle.dev/domain-whois-apis/domscan/free-post-v1-whois-bulk#6-monthly-starter-post-v1-whois-bulk): Overall score 73.4, Accuracy score 87, $0.72 per 1,000 domains
16. [WhoisFreaks, $200 monthly, Monthly Subscription, 150,000 API Credits](https://datacircle.dev/domain-whois-apis/whoisfreaks/free-post-v2-0-bulkwhois-live#200-monthly-monthly-subscription-150000-api-credits-post-v2-0-bulkwhois-live): Overall score 72.3, Accuracy score 77, $1.33 per 1,000 domains
17. [Datakoot, $10 monthly, Pro](https://datacircle.dev/domain-whois-apis/datakoot/free-post-mcp-domain-intel-mcp#10-monthly-pro-post-mcp-domain-intel-mcp): Overall score 66.9, Accuracy score 86, $0.20 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)
- [heade.rs alternatives](https://datacircle.dev/heade-rs-alternatives)
- [DomScan alternatives](https://datacircle.dev/domscan-alternatives)