Reply to support ticket

Add a customer reply to an open support ticket. Use id from GET /api/v2/support/tickets data[].id. Closed tickets must be reopened first.

Support Tickets

Authentication

Required API scope: write:support

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

Context

Path Parameters

id string required Example: tkt_01hxa3b4c5d6e7f8g9h0j1k2m3

Public support ticket ID. Get it from GET /api/v2/support/tickets `data[].id`. Numeric ticket numbers are accepted during migration. 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
message string required · Example: Here are the extra details you asked for.
encrypted boolean · Example: false

Set true for sensitive replies. Defaults to false when omitted.

Responses

201 Created ticket message.
id string required · Example: tmsg_01hxa3b4c5d6e7f8g9h0j1k2m3
ticketId string required · Example: tkt_01hxa3b4c5d6e7f8g9h0j1k2m3
sentAt stringnull required · Example: 2026-04-27T12:00:00.000Z
body stringnull required · Example: Here are the extra details you asked for.
sender string · enum required · Example: customer
customer
staff
automation
senderName stringnull required · Example: Jane Example
encrypted boolean required · Example: false
attachments array<object> required · Example: []
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
POST https://cloud.hostup.se/api/v2/support/tickets/{id}/messages
For AI assistants
View as Markdown
cURL 
curl -X POST "https://cloud.hostup.se/api/v2/support/tickets/tkt_01hxa3b4c5d6e7f8g9h0j1k2m3/messages" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{
    "message": "Here are the extra details you asked for."
  }'
Response 
{
  "id": "tmsg_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "ticketId": "tkt_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "sentAt": "2026-04-27T12:00:00.000Z",
  "body": "Here are the extra details you asked for.",
  "sender": "customer",
  "senderName": "Jane Example",
  "encrypted": false,
  "attachments": []
}
Request Body Reply 
{
  "message": "Here are the extra details you asked for."
}