GET `/billing/invoice/{invoice_number}/export`

Export the details of a specified invoice, supports JSON/CSV formats

Billing Service `bearerAuth` application/json

Request Parameters

Name	In	Type	Required	Default	Example	Constraints	Description
`invoice_number`	`path`	`string`	Yes				Invoice number
`format`	`query`	`string`	No	`json`			Export format (json/csv)

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

Field	Type	Required	Example
`amount`	`number`	No	`99`
`description`	`string`	No	`Professional Monthly Subscription`
`quantity`	`integer`	No	`1`
`resource_type`	`string`	No	`subscription`
`tax_amount`	`number`	No	`5.94`
`tax_rate`	`number`	No	`0.06`
`unit_price`	`number`	No	`99`

Field	Type	Required	Example
`amount`	`number`	No	`104.94`
`app_id`	`string`	No	`app_001`
`currency`	`string`	No	`CNY`
`due_date`	`string`	No	`2026-04-15T00:00:00Z`
`invoice_number`	`string`	No	`INV-2026-001`
`issued_at`	`string`	No	`2026-04-01T00:00:00Z`
`line_items`	array of See `dto.InvoiceLineItemResponse`	No
`paid_at`	`string`	No	`2026-04-10T15:00:00Z`
`status`	`string`	No	`issued`
`tenant_id`	`string`	No	`tnt_xyz789`