As the number and complexity of these constructs increases, it becomes very tedious for developers to remember all of the functions and the parameters defined.
Hence, the API writers play a key role in building software applications.
API writers in the United States generally follow The Chicago Manual of Style for grammar and punctuation.
It is often the case that the analytical, planning, and writing stages do not occur in a strictly linear fashion.
Some of the most effective API documents are written by those who are adequately capable of understanding the workings of a particular application, so that they can relate the software to the users or the various component constructs to the overall purpose of the program.