There are a number of problems with this question.
I'm sorry your experience was subpar.
I know an answer has already been accepted, but... ehhh...
The problem was, your question was not about an API; it was not about how to find documentation for an API; it was not about a problem you had writing code against an API; It was not even about how to find an API for game X...
It was really about the games. Your question was no more on topic than a question about, say, "Which OS should I program for?" would be.
If I had to guess at a site it would be appropriate on, I would guess