The Access Denied status may be received
from APE due to exceeding the quota. In
this situation, you need to return the
appropriate status code.
Signed-off-by: Roman Loginov <r.loginov@yadro.com>
HTTP Gateway expects io.Reader to work with
payload, however `WithPayload` flag reads whole
payload into header object.
Signed-off-by: Alex Vanin <a.vanin@yadro.com>