I looked into Sony\'s developer website (3 March 2018) and while the design is changed, the contents seem to lag behind.
https://developer.sony.com/develop/cameras
Thanks for your interest in the Sony Camera API! Sony does make many cameras with various features, but even if a camera does have wifi capability it does not necessarily mean that it will support the camera remote API. The list on the website is the most updated list so if a camera is not on that list then it is more than likely not supported.
https://developer.sony.com/develop/cameras/api-information/supported-devices
Also the website lists many of the supported features, https://developer.sony.com/develop/cameras/api-information/supported-features-and-compatible-cameras
but you will have to download the SDK to see the full API list. https://developer.sony.com/file/download/sony-camera-remote-api-beta-sdk/
Lastly the camera API unfortunately only supports control over Wifi, so you would not be able to use any other means to tap in to the API.
I hope that this helps. Please let me know if you have any more questions!!