best_apisJobs data reportFree sampleAI agents (MCP)

Domain WHOIS Lookup & Availability Checker (RDAP)

Bulk WHOIS and RDAP lookup: registrar, creation and expiry dates, domain age, days until expiry, EPP status, nameservers, DNSSEC and availability, plus live DNS (IPs, MX, SPF) and email provider. 1,200+ TLDs incl. .io .co .de .eu.

Try it on Apify

Pricing: $1.00 per 1,000 domains, plus $0.001 per run. No subscription: you pay per result.

What people use it for

Quick start (Python)

pip install "apify-client>=3"

from apify_client import ApifyClient

client = ApifyClient("<YOUR_APIFY_TOKEN>")
run = client.actor("best_apis/domain-whois-lookup").call(run_input={
    "domains": [
        "shopify.com",
        "notion.so",
        "spiegel.de",
        "my-brand-new-startup-name-2026.com"
    ]
})
for item in client.dataset(run.default_dataset_id).iterate_items():
    print(item)

Quick start (cURL)

curl -X POST "https://api.apify.com/v2/acts/best_apis~domain-whois-lookup/run-sync-get-dataset-items?token=<YOUR_APIFY_TOKEN>" \
  -H "Content-Type: application/json" -d '{"domains": ["shopify.com", "notion.so", "spiegel.de", "my-brand-new-startup-name-2026.com"]}'

FAQ

Which TLDs work?
1,200+ TLDs via RDAP and WHOIS, including .io, .co, .de and .eu.
Are failed lookups charged?
No. Only domains with a WHOIS/RDAP result (registered or available) are charged.
How do I get an API token?
Create a free Apify account, then copy your token from Settings > API & Integrations. New accounts include free monthly platform credit.

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