# 17 isMalicious alternatives in 2026

Last updated: November 9, 2026.

The best alternatives to isMalicious for domain WHOIS APIs: WhoisJSON, Enterno and IPAddress.to, by our benchmark. isMalicious's website is ismalicious.com.

## Domain WHOIS API alternatives

[WhoisJSON](https://datacircle.dev/domain-whois-apis/whoisjson/free#120-monthly), [Enterno](https://datacircle.dev/domain-whois-apis/enterno/free-scout#free-open-api) and [IPAddress.to](https://datacircle.dev/domain-whois-apis/ipaddress-to/free) are the best [domain WHOIS API providers](https://datacircle.dev/best-domain-whois-api) in the Datacircle benchmark.

On our [isMalicious plan pages](https://datacircle.dev/domain-whois-apis/ismalicious/free), we compare each isMalicious plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 domains first.

- [APIHZ, free, Registered user, GET /api/wangzhan/whoisrdap.php](https://datacircle.dev/domain-whois-apis/apihz/free-registered-user-get-api-wangzhan-whoisrdap-php): $0.00 per 1,000 domains
- [DNSai, $499 monthly, Enterprise, GET /api/v1/domains/{id}/whois/](https://datacircle.dev/domain-whois-apis/dnsai/free-anonymous#499-monthly-enterprise-get-api-v1-domains-id-whois): $1.66 per 1,000 domains
- [Agent Data Tools, $20 pack](https://datacircle.dev/domain-whois-apis/agent-data-tools/free#20-pack): $9.09 per 1,000 domains
- [ViewDNS.info, $1,639 yearly](https://datacircle.dev/domain-whois-apis/viewdns-info/free#1639-yearly): $9.11 per 1,000 domains
- [Whoxy, $470 pack](https://datacircle.dev/domain-whois-apis/whoxy/free-education#470-pack): $9.40 per 1,000 domains
- [Pulsedive, $29 monthly](https://datacircle.dev/domain-whois-apis/pulsedive/free-no-api-key#29-monthly): $11.60 per 1,000 domains
- [SupaMarketers, $149 monthly](https://datacircle.dev/domain-whois-apis/supamarketers/free#149-monthly): $29.80 per 1,000 domains
- [DR Checker, contact us](https://datacircle.dev/domain-whois-apis/dr-checker/15-monthly#contact-us): no price per 1,000 domains
- [DomainTools, contact us, Enterprise, GET /{domain}/whois/](https://datacircle.dev/domain-whois-apis/domaintools/contact-us-enterprise-get-domain-whois): no price per 1,000 domains
- [GetWhoisData, contact us](https://datacircle.dev/domain-whois-apis/getwhoisdata/top-up#contact-us): no price per 1,000 domains

Compare every domain WHOIS API plan: [Domain WHOIS API pricing: free and cheapest plans compared](https://datacircle.dev/domain-whois-api-pricing)

## IP company lookup API alternatives

[IPKit](https://datacircle.dev/ip-company-lookup-apis/ipkit/free), [MxToolbox](https://datacircle.dev/ip-company-lookup-apis/mxtoolbox/free-get-api-v1-lookup-asn) and [Enterno](https://datacircle.dev/ip-company-lookup-apis/enterno/free-scout-get-api-v4-asn#free-open-api-get-api-open-ip) are the best [IP company lookup API providers](https://datacircle.dev/best-ip-company-lookup-api) in the Datacircle benchmark.

On our [isMalicious plan pages](https://datacircle.dev/ip-company-lookup-apis/ismalicious/free), we compare each isMalicious plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 IP addresses first.

- [ipstack, $12.99 monthly](https://datacircle.dev/ip-company-lookup-apis/ipstack/12-99-monthly): $0.26 per 1,000 IP addresses
- [DomScan, $10 pack](https://datacircle.dev/ip-company-lookup-apis/domscan/free#10-pack): $1.00 per 1,000 IP addresses
- [agentsvc.io, pay as you go](https://datacircle.dev/ip-company-lookup-apis/agentsvc-io/pay-as-you-go): $5.50 per 1,000 IP addresses
- [QuantAgentShop, pay as you go](https://datacircle.dev/ip-company-lookup-apis/quantagentshop/pay-as-you-go): $9.90 per 1,000 IP addresses
- [RelayShield, $499 monthly](https://datacircle.dev/ip-company-lookup-apis/relayshield/free#499-monthly): $49.90 per 1,000 IP addresses
- [Leadpipe, contact us, Enterprise](https://datacircle.dev/ip-company-lookup-apis/leadpipe/contact-us-enterprise): no price per 1,000 IP addresses
- [Pulsedive, contact us](https://datacircle.dev/ip-company-lookup-apis/pulsedive/free-no-api-key#contact-us): no price per 1,000 IP addresses
- [SecurityTrails, contact us](https://datacircle.dev/ip-company-lookup-apis/securitytrails/500-monthly#contact-us): no price per 1,000 IP addresses

Compare every IP company lookup API plan: [IP company lookup API pricing: free and cheapest plans compared](https://datacircle.dev/ip-company-lookup-api-pricing)

## See also

- [APIHZ alternatives](https://datacircle.dev/apihz-alternatives)
- [DNSai alternatives](https://datacircle.dev/dnsai-alternatives)
- [Agent Data Tools alternatives](https://datacircle.dev/agent-data-tools-alternatives)
- [ViewDNS.info alternatives](https://datacircle.dev/viewdns-info-alternatives)
- [Whoxy alternatives](https://datacircle.dev/whoxy-alternatives)
- [Pulsedive alternatives](https://datacircle.dev/pulsedive-alternatives)
- [SupaMarketers alternatives](https://datacircle.dev/supamarketers-alternatives)
- [DR Checker alternatives](https://datacircle.dev/dr-checker-alternatives)