POST `/wallets/{user_id}/refund`

Refund to a user's wallet.

Wallet Service `bearerAuth` application/json

Request Parameters

Name	In	Type	Required	Default	Example	Constraints	Description
`user_id`	`path`	`string`	Yes				User ID

Schema: dto.RefundRequest

Field	Type	Required	Example	Description
`transaction_id`	`string`	Yes	`txn_abc123`	Original transaction
`amount`	`string`	No	`50.00`	Amount
`reason`	`string`	No	`Product return`	Reason
`reference_id`	`string`	No	`REF-001`	Reference

Status	Description	Schema
200	OK	`dto.RefundDetailResponse`
400	Invalid request parameters	`gitee_com_linmes_authms_base_dto.SimpleResponse`
401	Unauthenticated or invalid token	`gitee_com_linmes_authms_base_dto.SimpleResponse`
409	Insufficient balance	`gitee_com_linmes_authms_base_dto.SimpleResponse`
422	Invalid amount	`gitee_com_linmes_authms_base_dto.SimpleResponse`
500	Internal server error	`gitee_com_linmes_authms_base_dto.SimpleResponse`

Field	Type	Required
`code`	`integer`	No
`data`	`dto.RefundResult`	No
`message`	`string`	No
`timestamp`	`string`	No

Field	Type	Required	Example	Constraints	Description
`transaction`	`object`	No			Refund transaction record
`wallet`	`object`	No			Wallet info

Transaction record info

Field	Type	Required	Example	Description
`amount`	`string`	No	`100.00`	Amount
`balance_after`	`string`	No	`1000.00`	Balance after
`balance_before`	`string`	No	`900.00`	Balance before
`counterparty_id`	`string`	No	`usr_xyz456`	Counterparty
`created_at`	`string`	No	`2026-04-15T10:30:00Z`	Created time
`currency`	`string`	No	`CNY`	Currency
`description`	`string`	No	`Account deposit`	Description
`id`	`string`	No	`txn_abc123`	Transaction ID
`reference_id`	`string`	No	`order_123`	Reference
`status`	`string`	No	`completed`	Status
`type`	`string`	No	`deposit`	Type
`wallet_id`	`string`	No	`wlt_abc123`	Wallet ID

User wallet info

Field	Type	Required	Example	Description
`application_id`	`string`	No	`app_abc123`	App ID
`balance`	`string`	No	`1000.00`	Balance
`created_at`	`string`	No	`2026-01-01T00:00:00Z`	Created time
`currency`	`string`	No	`CNY`	Currency
`frozen_balance`	`string`	No	`100.00`	Frozen
`status`	`string`	No	`active`	Status
`tenant_id`	`string`	No	`tnt_xyz789`	Tenant ID
`updated_at`	`string`	No	`2026-04-15T10:30:00Z`	Updated time
`user_id`	`string`	No	`usr_abc123`	User ID
`wallet_id`	`string`	No	`wlt_abc123`	Wallet ID

Field	Type	Required
`code`	`integer`	No
`message`	`string`	No
`timestamp`	`string`	No