In the early days, there was just one API design tool to use, Apiary.io. Now at the end of 2014, we have four separate API design tools to choose from. I credit Apiary.io for opening up this new era of API design, expanding the API life cycle, and emphasizing healthy API design practices over just API deployment and management. In my opinion the expansion of APIs design formats, and API design tooling is extremely important to the space, allowing API providers to have conversation around API…