Datacircle

13 FernTool alternatives in 2026

By , founder of Datacircle. Last updated:

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

Domain WHOIS API alternatives

FernTool is #10 of the 38 providers we rank.

Every provider of this API, ranked: Domain WHOIS API: best providers in 2026

RankProvider and planOverall scoreAccuracy score$ per 1,000 domains
1thenetworkery, free · thenetworkery.com95.597$0.00
2FluentEDI, free · fluentedi.com92.586$0.00
3DomainDetails, €9.99 monthly, Alerts · domaindetails.com90.699$0 extra per 1,000. The €9.99 monthly price covers any number of domains.
4DC5 WHOIS, free, Public instance · whois.dc5.tech90.397$0.00
5WhoisJSON, $120 monthly · whoisjson.com89.199$0.014
6Enterno, free, Open API · enterno.io88.189$0.00
8StableDomains, free · stabledomains.net83.387$0.00
9Robtex, free · robtex.com83.271$0.00
11Agent Toolbox, free · agent-toolbox.zafermemon87.workers.dev81.281$0.00
12Pyxmark, free · mcp.pyxmark.com75.158$0.00

IP company lookup API alternatives

IPKit, thenetworkery and DC5 WHOIS are the best IP company lookup API providers in the Datacircle benchmark.

On our FernTool plan pages, we compare each FernTool plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 IP addresses first.

Provider and plan$ per 1,000 IP addresses
DC5 WHOIS, free, Public instance, GET /api/v1/ip$0.00
DNSlytics, free$0.00
IPKit, free$0.00
MxToolbox, free, GET /api/v1/Lookup/asn/$0.00
thenetworkery, free$0.00

Compare every IP company lookup API plan: IP company lookup API pricing: free and cheapest plans compared

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