
canyougrab.it
Domainr
WhoisXML API
Ajax Domain Finder
Domain Checker
Entri
Nullstack
Deno
canyougrab.it is a REST API for checking domain name availability in bulk. Send up to 100 domains in a single API call and get structured JSON results with availability status, confidence scores, and registration details.
Unlike traditional WHOIS lookups (limited to one domain at a time and heavily rate-limited), canyougrab.it queries DNS servers directly with WHOIS as a fallback โ the same sources registrars use โ giving you real-time, reliable results at scale.
Key features: - Bulk checking: up to 100 domains per request - Live DNS + WHOIS lookups (not stale zone files) - Clean JSON responses with availability, confidence, TLD, and data source - Generous rate limits (up to 3,000 req/min on Business plan) - Free tier to get started (500 lookups/month) - RESTful API with Bearer token auth
Built for domain hunters, SaaS builders, registrar integrations, and anyone who needs to validate domains at scale.
canyougrab.it
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WhoisXML API - Domain, IP, and DNS data provider
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Domain Checker - Obtain domain name status information with this effective and intuitive application that allows you to batch process multiple entries. Domain Checker is a simple, but powerful whois lookup tool for users that require a domain availability analyzer.
Entri - Entri is the API for custom domains. We make it easy for your application to connect, secure, sell, and power custom domains.