[tiempie]

Nice. So sending {"username": "tom"} to /api/test/users will create > test.json with {"users": {"username": "tom"}} ?

[tiemster]

Yes! And you can use "append" mode for use cases like these also. Then the value will be added as a list object. So:

  {users: [{"username": "tom"}, {"username": "tim"}]}