Request body for marking a fiat order as paid (deposit confirmation). Must include the user's payment receipt (consistent with §3.2). payment_receipt_file_key is required; the order primary key for this path is order_id. When accessed via the Pay gateway using client_order_id, the gateway's rewritten field prevails.
| Name | Type | Description | Notes |
|---|---|---|---|
| order_id | str | Order ID | |
| client_order_id | str | Client order ID (used by some gateway/Inner Pay paths, optional) | [optional] |
| payment_receipt_file_key | str | User payment receipt: required. Stored as a file_key. Single file; jpg/jpeg/png/pdf; ≤4MB. | |
| payment_receipt | str | Alias compatible with `payment_receipt_file_key` (depends on the gateway's external field name) | [optional] |