🔍 Domain Checker API

Check if a domain is available for registration. Uses local index for instant lookups, falls back to RDAP for unknown domains.

curl https://localhost:9443/check/google.com

{
  "domain": "google.com",
  "available": false,
  "confidence": "high",
  "source": "COM local index",
  "checked_at": "2026-01-31T17:42:47Z",
  "latency_ns": 16922
}

Field	Description
available	true = can register, false = taken
confidence	high (in index), authoritative (RDAP), low (RDAP failed)
source	Data source used for the check
latency_ns	Lookup time in nanoseconds

Try it

Check up to 1000 domains in a single request. Uses local index only (no RDAP) for maximum speed.

curl -X POST https://localhost:9443/batch \
  -H "Content-Type: application/json" \
  -d '{"domains": ["google.com", "example.com", "available123.com"]}'

{
  "results": {
    "google.com": false,
    "example.com": false,
    "available123.com": true
  },
  "total_count": 3,
  "available_count": 1,
  "taken_count": 2,
  "latency_ns": 45000
}

Try it

Returns server status, domain counts, memory usage, and request statistics.

curl https://localhost:9443/health

Try it