WHOIS API Alternative for Availability Checks

Avoid the rate limits and parsing complexity of raw WHOIS data. AgentDomainService provides a clean, cached, and deterministic way to check if a domain is purchasable.

FeatureWHOIS APIsAgentDomainService
Parseable JSONOften HardStandard
Availability AccuracyMediumHigh
Rate LimitsStrictGenerous
Historical Cache

Why choose a machine-readable approach?

Parsing WHOIS data is notoriously brittle due to varying formats across registries. AgentDomainService abstracts this complexity by querying registrar availability endpoints and returning a unified JSON schema that works every time.

Agent Native

Built for LLMs, headless browsers, and automated scripts.

Instant SSR

Server-side rendered results in milliseconds, not seconds.

No CAPTCHAs

Zero friction. No signups or anti-bot walls to slow you down.

Ready to check your next domain?

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