| Name | Type | Description | Notes |
|---|---|---|---|
| pay_coin | string | Currency paid by the user. Supported currencies can be queried from the OTC web stablecoin quote page. | |
| get_coin | string | Currency to be received by the user. Supported currencies can be queried from the OTC web stablecoin quote page. | |
| pay_amount | string | User payment currency amount | |
| get_amount | string | Amount of currency received by the user | |
| side | string | The side returned by the quote endpoint (used for order validation). For backward compatibility, `PAY`/`GET` are accepted; new integrations should use the value returned by the quote response. | |
| promotion_code | string | Promotion code (optional) | [optional] |
| quote_token | string | Parameter returned by the quote API |