[FIG(quote)[
[FIGCAPTION[
[1] [CITE[API Conventions]]
([TIME[2017-09-02 07:16:24 +09:00]])
<https://developer.getflow.com/conventions/>
]FIGCAPTION]

> For POST and PUT requests, you will need to specify a Content-Type header with your request to ensure the JSON you send is parsed correctly.
> Simply include the Content-Type header:
> Content-Type: application/vnd.flow.v2+json

]FIG]


[FIG(quote)[
[FIGCAPTION[
[2] [CITE[API Conventions]]
([TIME[2017-09-02 07:16:24 +09:00]])
<https://developer.getflow.com/conventions/>
]FIGCAPTION]

> Specifying version via the Accept header
> The most transparent way is to ensure you set the Accept HTTP header to our custom content-type declaration, which includes a version string. For v2, should look like:
> Accept: application/vnd.flow.v2+json

]FIG]