Realizing the benefits that APIs have to offer to a business can't be completed in a day, and organizations that think that monetizing their information assets will be a simple and straightforward exercise are going to be in for a surprise. Rome wasn't built in a day, or so it goes.
Like most things, there is always a journey and a path that, when followed, will guide us toward getting to an end goal or a target. It will not necessarily be quick, as that pretty much depends on the pace an organization can deliver, but at least there will be the certainty of avoiding common pitfalls. That is not to say that some organizations might not opt for a different (and perhaps shorter) path.
That said, the following API value chain ...