Download attachment

Returns the attachment content as a binary stream.

Invalid input - the path parameters, query arguments, or request payload did not pass validation

Authentication failed - the access token is missing, invalid, or was not accepted

Access denied - the access token does not grant permission for this operation (token scope, account, or IP address restriction)

Not found - the requested entity (account, message, mailbox, etc.) does not exist

Rate limit exceeded - too many requests were made with this access token

Internal server error - an unexpected error occurred while processing the request

Service unavailable - the worker processing this account is not available, try again later

/v1/account/:account/attachment/:attachment