Interface status code description

Response Envelope

All endpoints return a consistent JSON envelope:

{
  "code": 0,
  "message": "success",
  "data": { ... }
}

Field	Type	Description
`code`	integer	`0` means success; non-zero indicates an error
`message`	string	Human-readable status message
`data`	object \| array	The response payload

HTTP Status	Meaning
`400`	Invalid request parameters
`402`	Usage Limit Exceeded, Please Contact Administrator to Increase Quota
`403`	Auth error or uri forbidden
`429`	Too many requests
`500`	Internal server error