Store saved card

POST /api/v2/billing/cards

Store a tokenized card as the account payment card.

Do not send raw card numbers to this API.

Create paymentMethodToken with the supported client-side card tokenization flow, then POST it here.

makeDefault is not accepted because the stored card automatically becomes the active card.

Billing & Orders Billing

Authentication

Required API scope: write:payment_methods

Authenticate with an API key in the Authorization: Bearer <token> header.

Context

Headers

Authorization Bearer <token>
Accept application/json
Content-Type application/json

Body

required
application/json
paymentMethodToken string required · Example: pm_01hxa3b4c5d6e7f8g9h0j1k2m3
last4 string · Example: 4242
expMonth integer · min: 1 · max: 12 · Example: 12
expYear integer · min: 2000 · max: 9999 · Example: 2028
brand string · Example: visa

Responses

201 Saved card stored.
id string required · Example: card_01hxa3b4c5d6e7f8g9h0j1k2m3
brand string required · Example: visa
last4 string · nullable required · Example: 4242

expMonth number · nullable required · Example: 12

expYear number · nullable required · Example: 2028

cardholderName string · nullable required · Example: null

isPrimary boolean required · Example: true
addedAt string · nullable 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
POST https://cloud.hostup.se/api/v2/billing/cards
For AI assistants
View as Markdown
cURL 
curl -X POST "https://cloud.hostup.se/api/v2/billing/cards" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{
    "paymentMethodToken": "pm_01hxa3b4c5d6e7f8g9h0j1k2m3",
    "last4": "4242",
    "expMonth": 12,
    "expYear": 2028,
    "brand": "visa"
  }'
Response 
{
  "id": "card_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "brand": "visa",
  "last4": "4242",
  "expMonth": 12,
  "expYear": 2028,
  "cardholderName": null,
  "isPrimary": true,
  "addedAt": "2026-04-27T12:00:00.000Z"
}
Request Body Store card token 
{
  "paymentMethodToken": "pm_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "last4": "4242",
  "expMonth": 12,
  "expYear": 2028,
  "brand": "visa"
}