Change VPS hostname

Change the VPS hostname. Send exactly hostname; it must be a valid FQDN up to 253 characters, with labels using letters, numbers, and hyphens but no leading or trailing hyphen. Reverse DNS protection details tell whether existing reverse DNS records were restored after the change.

VPS Services VM

Authentication

Required API scope: write:vm

Use Authorization: Bearer <token> for API keys. Dashboard sessions may also use hostup_session.

Context

Path Parameters

id string required Example: vps_01hxa3b4c5d6e7f8g9h0j1k2m3

Public VPS ID. Get it from GET /api/v2/vps `data[].id`. Do not invent this value; use the exact ID returned by the referenced API response.

Headers

Accept Example
Content-Type Example

Body

required
application/json
hostname string required · Example: web-01.example.com

Responses

200 Hostname changed.
hostname stringnull required · Example: web-01.example.com
reloadRecommended boolean required · Example: false
accountInactive boolean required · Example: false
accountStatus stringnull required · Example: active
cacheCleared boolean required · Example: true
actions object required
actions.canChange object required
actions.canChange.allowed boolean required · Example: true
actions.canChange.reason stringnull required · Example: null
validationRules object required
validationRules.maxLengthChars integer required · Example: 253
validationRules.pattern string required · Example: ^[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9...
validationRules.patternDescription string required · Example: Valid FQDN: labels 1-63 chars, alphanumeric with hyphens, no leading/trailing hyphens.
hostnameNormalized boolean required · Example: true
serviceRecordSynced boolean required · Example: true
reverseDnsProtection object | null required · Example: null
reverseDnsProtection.status string · enum required · Example: not_changed
not_changed
restored
partial_failure
reverseDnsProtection.monitoredIpCount integer required · Example: 1
reverseDnsProtection.changesDetected integer required · Example: 0
reverseDnsProtection.restoredIps array<string> required
reverseDnsProtection.failedIps array<string> required
reverseDnsProtection.detail stringnull required · Example: null
updatedAt string required · Example: 2026-04-27T12:00:00.000Z
400 Invalid request. The response body is an RFC 7807 Problem Details document.
type string · Example: https://developer.hostup.se/errors/invalid_request
title string · Example: Validation failed
status integer · Example: 400
detail string · Example: The request body failed validation.
code string · Example: invalid_request

Stable machine-readable code. Branch on this field, not on `detail`.

instance string · Example: /api/v2/orders
requestId string · Example: req_01hxa3b4c5d6e7f8g9h0j1k2m3
timestamp string · Example: 2026-04-27T12:34:56.000Z
errors array<object>

Field-level validation errors when `code` is `invalid_request`.

errors[].pointer string required · Example: /items/0/eppCode
errors[].detail string required · Example: `eppCode` is required for this transfer.
errors[].code string required · Example: missing_required
extensions object
401 Unauthorized. Authentication is required.
type string · Example: https://developer.hostup.se/errors/invalid_request
title string · Example: Validation failed
status integer · Example: 400
detail string · Example: The request body failed validation.
code string · Example: invalid_request

Stable machine-readable code. Branch on this field, not on `detail`.

instance string · Example: /api/v2/orders
requestId string · Example: req_01hxa3b4c5d6e7f8g9h0j1k2m3
timestamp string · Example: 2026-04-27T12:34:56.000Z
errors array<object>

Field-level validation errors when `code` is `invalid_request`.

errors[].pointer string required · Example: /items/0/eppCode
errors[].detail string required · Example: `eppCode` is required for this transfer.
errors[].code string required · Example: missing_required
extensions object
403 Forbidden. The caller lacks a required scope or does not own the resource.
type string · Example: https://developer.hostup.se/errors/invalid_request
title string · Example: Validation failed
status integer · Example: 400
detail string · Example: The request body failed validation.
code string · Example: invalid_request

Stable machine-readable code. Branch on this field, not on `detail`.

instance string · Example: /api/v2/orders
requestId string · Example: req_01hxa3b4c5d6e7f8g9h0j1k2m3
timestamp string · Example: 2026-04-27T12:34:56.000Z
errors array<object>

Field-level validation errors when `code` is `invalid_request`.

errors[].pointer string required · Example: /items/0/eppCode
errors[].detail string required · Example: `eppCode` is required for this transfer.
errors[].code string required · Example: missing_required
extensions object
404 Not found. The resource does not exist or is not owned by the caller.
type string · Example: https://developer.hostup.se/errors/invalid_request
title string · Example: Validation failed
status integer · Example: 400
detail string · Example: The request body failed validation.
code string · Example: invalid_request

Stable machine-readable code. Branch on this field, not on `detail`.

instance string · Example: /api/v2/orders
requestId string · Example: req_01hxa3b4c5d6e7f8g9h0j1k2m3
timestamp string · Example: 2026-04-27T12:34:56.000Z
errors array<object>

Field-level validation errors when `code` is `invalid_request`.

errors[].pointer string required · Example: /items/0/eppCode
errors[].detail string required · Example: `eppCode` is required for this transfer.
errors[].code string required · Example: missing_required
extensions object
429 Rate limited. Retry after the limit resets. 429 responses include `Retry-After` seconds plus `X-RateLimit-*` headers.
type string · Example: https://developer.hostup.se/errors/invalid_request
title string · Example: Validation failed
status integer · Example: 400
detail string · Example: The request body failed validation.
code string · Example: invalid_request

Stable machine-readable code. Branch on this field, not on `detail`.

instance string · Example: /api/v2/orders
requestId string · Example: req_01hxa3b4c5d6e7f8g9h0j1k2m3
timestamp string · Example: 2026-04-27T12:34:56.000Z
errors array<object>

Field-level validation errors when `code` is `invalid_request`.

errors[].pointer string required · Example: /items/0/eppCode
errors[].detail string required · Example: `eppCode` is required for this transfer.
errors[].code string required · Example: missing_required
extensions object
500 Internal error. Retry later or contact support if the issue persists.
type string · Example: https://developer.hostup.se/errors/invalid_request
title string · Example: Validation failed
status integer · Example: 400
detail string · Example: The request body failed validation.
code string · Example: invalid_request

Stable machine-readable code. Branch on this field, not on `detail`.

instance string · Example: /api/v2/orders
requestId string · Example: req_01hxa3b4c5d6e7f8g9h0j1k2m3
timestamp string · Example: 2026-04-27T12:34:56.000Z
errors array<object>

Field-level validation errors when `code` is `invalid_request`.

errors[].pointer string required · Example: /items/0/eppCode
errors[].detail string required · Example: `eppCode` is required for this transfer.
errors[].code string required · Example: missing_required
extensions object
PUT https://cloud.hostup.se/api/v2/vps/{id}/hostname
For AI assistants
View as Markdown
cURL 
curl -X PUT "https://cloud.hostup.se/api/v2/vps/vps_01hxa3b4c5d6e7f8g9h0j1k2m3/hostname" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{
    "hostname": "web-01.example.com"
  }'
Response 
{
  "hostname": "web-01.example.com",
  "reloadRecommended": false,
  "accountInactive": false,
  "accountStatus": "active",
  "cacheCleared": true,
  "hostnameNormalized": true,
  "serviceRecordSynced": true,
  "reverseDnsProtection": {
    "status": "not_changed",
    "monitoredIpCount": 1,
    "changesDetected": 0,
    "restoredIps": [],
    "failedIps": [],
    "detail": null
  },
  "actions": {
    "canChange": {
      "allowed": true,
      "reason": null
    }
  },
  "validationRules": {
    "maxLengthChars": 253,
    "pattern": "^[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$",
    "patternDescription": "Valid FQDN: labels 1-63 chars, alphanumeric with hyphens, no leading/trailing hyphens."
  },
  "updatedAt": "2026-04-27T12:00:00.000Z"
}
Request Body Change hostname 
{
  "hostname": "web-01.example.com"
}