DomainsDB API
API for checking domain availability and registration status across millions of domains in milliseconds
| What is it | API for checking domain availability and registration status across millions of domains in milliseconds |
|---|---|
| Pricing | Unknown |
| Platform | API |
| API | Yes |
| Best for | Checking domain availability for new projects, Monitoring domain registration status changes |
Data updated Aug. 1, 2026
What does DomainsDB API do?
DomainsDB API is a developer-focused service that provides programmatic access to a comprehensive domain database. It allows users to check domain availability, registration status, and other domain-related information through simple HTTP requests. The service is designed specifically for developers who need to integrate domain lookup functionality into their applications or workflows.
The API operates through a straightforward REST interface with clear documentation and code examples. It searches through millions of domains with comprehensive coverage and provides real-time updates on domain status. The infrastructure is optimized for speed, delivering results in milliseconds rather than seconds, and maintains enterprise-grade security with a 99.9% uptime service level agreement.
This tool is particularly useful for software developers building domain-related tools, domain investors conducting research, and web hosting companies needing to check domain availability for their clients. It serves practical use cases such as checking domain availability for new projects, monitoring domain registration status changes, and performing bulk domain research for investment purposes without requiring manual whois lookups.
Key features
What makes it stand outWho is DomainsDB API for?
Who benefits most from this toolSimilar tools
API for instant domain availability checks and smart domain name suggestions across all TLDs.
AI-powered domain name generator — describe your project, get available, brand-tailored domain suggestions instantly
AI domain generator and checker — generate creative domain names with AI or check availability across 50+ TLDs instantly
AI domain name finder — instantly generates available domain names ready to purchase
Check 15+ popular domain formats simultaneously and generate AI-powered brand name suggestions
AI name generator that checks domain availability and trademark conflicts — register your perfect brand name in minutes.
Monitor DNS, SSL, and email security for your domains. Get alerts for changes and use AI assistants to run checks via natural language.
AI-powered domain name generator — describe your startup, get 1000+ brandable names with real-time availability checks.