What is the difference between the SDK, API and DLL?

[Dragonlaird]

For a more detailed explanation, with links and industry definitions, see the comment provided by @Steeler2340 on another thread.

SimConnect API Protocol

Folks, there is a substantial difference between what you call an “SDK” and what I believe most people would say an “SDK” is (the same goes somewhat for the well-known term “API”). Of course you can call your own work whatever you’d like, but I’d suggest you stick to the “generally used terms and definitions/meanings” if you intent to implement a new API. So let me quickly write down the “generally accecpted definitions” of SDK and API: SDK simply stands for “software development kit”: I co…