[FIG(quote)[
[FIGCAPTION[
[1] [CITE[Mattermost API Reference]]
([TIME[2016-12-07 08:34:06 +09:00]])
<https://api.mattermost.com/#tag/authentication>
]FIGCAPTION]

> If successful, the response will contain a Token header and a user object in the body.
> HTTP/1.1 200 OK
> Set-Cookie: MMSID=hyr5dmb1mbb49c44qmx4whniso; Path=/; Max-Age=2592000; HttpOnly
> Token: hyr5dmb1mbb49c44qmx4whniso

]FIG]