Validate order contact data

POST /api/v2/orders/validate-contact

Validate contact fields before order creation.

This endpoint is intentionally public because checkout can run before an account exists.

It returns HTTP 200 for both valid and invalid verdicts; branch on valid and warnings[].

Transport or body-shape failures return Problem Details.

Unrecognised body fields are ignored.

Billing & Orders Orders

Authentication

No authentication required.

Context

Headers

Accept application/json
Content-Type application/json

Body

required
application/json
firstName string required · Example: Anna
lastName string required · Example: Svensson
companyName string · nullable · Example: null

Company name for organisation accounts. May be omitted or null; omitted values are treated as null.

registrationIdentifier object | string · nullable · Example: null

Organisation number or personal identity number in the same public shape used by order clientData.registrationIdentifier. Organisation accounts should send { "value": "559290-1325", "countryCode": "SE" }; private accounts may omit it or send null.

accountType string · enum required · Example: private
private
organisation
countryCode string required · Example: SE

Responses

200 Validation verdict. valid: false is still a successful validation response.
valid boolean required · Example: true
warnings array<object> required
warnings[].field string · enum required · Example: companyName
firstName
lastName
companyName
warnings[].code string · enum required · Example: duplicates_org_number
missing_required
looks_like_email
looks_like_org_number
duplicates_org_number
warnings[].reason string required · Example: Organisation name and organisation number contain the same value. Organisation name sho...
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
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/orders/validate-contact
For AI assistants
View as Markdown
cURL 
curl -X POST "https://cloud.hostup.se/api/v2/orders/validate-contact" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{
    "firstName": "Anna",
    "lastName": "Svensson",
    "companyName": null,
    "registrationIdentifier": null,
    "accountType": "private",
    "countryCode": "SE"
  }'
Response 
{
  "valid": true,
  "warnings": []
}
Request Body Private contact 
{
  "firstName": "Anna",
  "lastName": "Svensson",
  "companyName": null,
  "registrationIdentifier": null,
  "accountType": "private",
  "countryCode": "SE"
}