Private API is an oxymoron. If it’s a private implementation, then there’s a lot of work that would need to be done to make it API!

There is no part of the definition of API that requires it to be public. It's Application Programming Interface. You can have internal APIs.

Now we're just playing semantic games. There's a big difference between the level of effort that goes into internal API and public API, and clearly the ask here is Apple undertake that effort now and forevermore to support a public API for Pebble to use for free. You can map that distinction pretty easily onto my earlier comments without changing my argument at all.