[1] API Conventions () https://developer.getflow.com/conventions/

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

[2] API Conventions () https://developer.getflow.com/conventions/

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