Bulk Domain Availability API — Check 50 Domains at Once

Description

Batch check domain availability for up to 50 domains in a single request. Concurrent checks return results quickly, making it ideal for domain shopping workflows.

Use Cases

Check multiple domain variations at once
Bulk brand name availability checking
Domain portfolio management

Parameters

Name	Type	Required	Description
`domains`	array	Yes	List of domain names to check (max 50)
`format`	string	No	Response format: json or markdown

Example Request

bash

curl -X POST -H 'X-API-Key: YOUR_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"domains": ["mybrand.com", "mybrand.io", "mybrand.dev"]}' \
  'https://api.example.com/dns/available/bulk'

python

import httpx

resp = httpx.post(
    "https://api.example.com/dns/available/bulk",
    headers={"X-API-Key": "YOUR_KEY"},
    json={"domains": ["mybrand.com", "mybrand.io", "mybrand.dev"]},
)
print(resp.json())

javascript

const resp = await fetch("https://api.example.com/dns/available/bulk", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "X-API-Key": "YOUR_KEY",
  },
  body: JSON.stringify({"domains": ["mybrand.com", "mybrand.io", "mybrand.dev"]}),
});
const data = await resp.json();
console.log(data);

Example Response

json

{
  "results": [
    {"domain": "mybrand.com", "available": false},
    {"domain": "mybrand.io", "available": true},
    {"domain": "mybrand.dev", "available": true}
  ]
}

Bulk Domain Availability

Description

Use Cases

Parameters

Related Tools in Domain

WHOIS Lookup

Bulk WHOIS Lookup

Domain Age Checker

Domain Availability

TLD Search

Subdomain Discovery