Domain Availability API
Check domain availability in bulk — up to 50 domains per call. Detects premium names with registration pricing. From $0.02/call.
Check whether a domain is available to register — or check up to 50 domains in a single call. Returns availability status, premium-name flags with registration/renewal pricing, ICANN fees, and early-access fees. Perfect for domain generators, brandability tools, and domain investors.
Try it live
Fill in the fields and hit Run to see a real response.
{
"ok": true,
"data": {
"domains": [
{
"domain": "example.com",
"available": false,
"isPremium": false,
"premiumRegistrationPrice": 0,
"premiumRenewalPrice": 0,
"icannFee": 0,
"eapFee": 0
},
{
"domain": "some-unique-name-xyz-123.com",
"available": true,
"isPremium": false,
"premiumRegistrationPrice": 0,
"premiumRenewalPrice": 0,
"icannFee": 0.18,
"eapFee": 0
},
{
"domain": "cars.ai",
"available": true,
"isPremium": true,
"premiumRegistrationPrice": 2450,
"premiumRenewalPrice": 95,
"icannFee": 0,
"eapFee": 0
}
]
}
}Features
Use cases
Domain Name Generators
Generate candidate names and instantly check which ones are available to register, surfacing premium names and their prices in the same response.
Brand Launch Tools
Let users check availability across dozens of TLDs (.com, .io, .ai, .app, etc.) in a single API call as part of a naming or brand-kit workflow.
Domain Investing
Score expiring or backordered domains by pulling availability + premium pricing data in bulk for research and acquisition.
Quick start
Copy this snippet and start making calls.
const res = await fetch('https://api.yepapi.com/v1/seo/domain/available', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"domains": [
"example.com",
"example.io",
"example.ai"
]
}),
});
const data = await res.json();
console.log(data);What developers say
“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
Check whether a domain is available to register — or check up to 50 domains in a single call. Returns availability status, premium-name flags with registration/renewal pricing, ICANN fees, and early-access fees. Perfect for domain generators, brandability tools, and domain investors.
Each API call costs $0.02. No monthly minimums or subscriptions — you only pay for what you use.
Sign up for a free API key, then send a POST request to /v1/seo/domain/available. Check the code example above for a ready-to-use snippet in JavaScript, cURL, or Python.
YepAPI bundles SEO, AI, and web scraping APIs under one key with no monthly minimums. You get lower per-call pricing, a unified dashboard, and one billing account instead of managing multiple providers.
Ready to integrate?
Get your API key and start making calls in 30 seconds. $5 free credit on signup — no credit card required.
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