# POST /billing/sources
URL: https://developers.vsee.io/api/payment-api/post/billing/sources
Auth: User Token — Requires a user access token from login or SSO.

Add payment source

Add a new payment source to user account

Parameters:
- X-ApiToken (header, string, required) — API token
- X-AccountCode (header, string, required) — Account code
- room_code (query, string, required) — Room code to scope the payment source
- provider_id (query, string, optional) — Provider ID (optional) to scope the payment source

Request body (application/json):
- type (string, required) — Payment type (e.g. 'card')
- token (string, required) — Token from Stripe

Example request:
```json
{
  "type": "string",
  "token": "string"
}
```

Responses:
- 200 — Successful creation
```json
{
  "data": {
    "id": "card_19DrgXBY2jn2BCqQNpjjzuay",
    "type": "card",
    "brand": "Visa",
    "exp_month": 8,
    "exp_year": 2017,
    "last4": "4242",
    "is_default": true
  }
}
```