# Cover url download

Currently, the image addresses returned by all interfaces cannot be accessed directly. You can obtain the image addresses for temporary access through this interface. Special note, This interface does not consume the usage times. The URL address in the cover_url field passed into the interface must be the cover with the host name "echosell-images.tos-ap-southeast-1.volces.com" in order to obtain the temporary access address!

Endpoint: GET /cover/download
Version: 1.0.0
Security: MuseumPlaceholderAuth

## Query parameters:

  - `cover_url` (string, required)
    Example: "https://echosell-images.tos-ap-southeast-1.volces.com/user-avatar/459/MS4wLjABAAAAQ5_vlo4B-TluK2ztaAK9avrqmfULn4rfXS0D4ImQ01mo3FLDvlwUxINywY0CGIVS.webp"

## Response 200 fields (application/json):

  - `url` (string)
    Example: "url"

## Response 403 fields (application/problem+json):

  - `code` (integer)
    Example: 403

  - `message` (string)
    Example: "Usage Limit Exceeded, Please Contact Administrator to Increase Quota"

## Response 429 fields (application/problem+json):

  - `code` (integer)
    Example: 429

  - `message` (string)
    Example: "speed limit"

## Response 500 fields (application/problem+json):

  - `code` (integer)
    Example: 500

  - `message` (string)
    Example: "inner error"

## Response 504 fields (application/problem+json):

  - `code` (integer)
    Example: 504

  - `message` (string)
    Example: "timeout"