The location of the valid documentation of the snapd REST API / snapd deamon API?

I would like to know whether or not the REST API / Daemon API documentation on the Wiki of : is the current API, or it had been deprecated?

If the Wiki API documentation is deprecated, where is the location of the current API? Not source code, please.

I would like to know about the API because I had began to collect knowledge about snaps in order to make a snap management GUI program, so that terminal / shell challenged end users can use a GUI for snap package management.

Edit 20180223T1840UTC+1:
Moved from category “snapd” to “doc”


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