curl "https://domscan.net/v1/status?name=startup&tlds=com,io,co,dev"
Example Response
{
"name": "startup",
"results": [
{ "domain": "startup.com", "available": false, "source": "rdap", "latency_ms": 156 },
{ "domain": "startup.io", "available": false, "source": "rdap", "latency_ms": 203 },
{ "domain": "startup.co", "available": false, "source": "rdap", "latency_ms": 189 },
{ "domain": "startup.dev", "available": true, "source": "rdap", "latency_ms": 167 }
]
}
Key Features
RESTful Design
Simple GET and POST endpoints with JSON responses.
No Authentication
Start free with 10,000 credits per month and build right away.
Fast Response Times
50-500ms typical latency, with caching for instant results.
Detailed Responses
Get availability, registry status, expiration dates, and more.
CORS Enabled
Works directly from browser-based applications.
Global Edge Network
Deployed on Cloudflare Workers for low latency worldwide.
Bulk Endpoints
Check hundreds of domains in a single API request.
IDN Support
Full support for internationalized domain names.
Frequently Asked Questions
All responses are JSON. The API returns domain availability status, source (rdap or cache), timestamp, and additional metadata like registry status and RDAP events when available.
No. You can start free with 10,000 credits per month and make requests immediately.
The free plan includes generous limits. Cached queries are unlimited. Fresh RDAP lookups are rate-limited to protect upstream registries. Add prefer_cache=1 for best performance.
Yes, the API is production-ready and runs on Cloudflare Workers global infrastructure. We recommend implementing fallback logic for your critical applications.
Integrate Domain Checking Today
Start for free with 10,000 credits per month. Start checking domains in seconds.
View Full API Documentation