Check if a domain is taken or available

Quickly check if a desired domain name is available for registration. This is useful when you want to see if a domain name is available before starting a registration process or making changes.

Domain Services Domains

Context

Related endpoints

GET /api/dns/zones/{zoneId}/records Get DNS records for a domain zone POST /api/dns/zones/{zoneId}/records Add or modify DNS records for a domain GET /api/client-domains List your domains

Headers

Accept Example

Content-Type Example

Body

required

application/json

domain string required · Example: example.com

Responses

200

data object required

data.exists boolean required · Example: false

requestId string required · Example: 2121ae20-bd9d-41e9-aeeb-5dd1dd1a24ba

Unique request identifier (UUID).

success boolean required · Example: true

True for successful responses.

timestamp string required · Example: 2026-02-10T00:00:00.000Z

ISO 8601 timestamp (UTC).

POST https://cloud.hostup.se/api/domain-exists

For AI assistants

cURL

curl -X POST "https://cloud.hostup.se/api/domain-exists" \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "domain": "example.com"
  }'

Response

{
  "success": true,
  "timestamp": "2026-02-10T00:00:00.000Z",
  "requestId": "2121ae20-bd9d-41e9-aeeb-5dd1dd1a24ba",
  "data": {
    "exists": false
  }
}

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "exists": {
          "type": "boolean"
        }
      }
    },
    "requestId": {
      "type": "string",
      "description": "Unique request identifier (UUID)."
    },
    "success": {
      "type": "boolean",
      "description": "True for successful responses."
    },
    "timestamp": {
      "type": "string",
      "description": "ISO 8601 timestamp (UTC)."
    }
  }
}

Request Body Example 1

{
  "domain": "example.com"
}