Overview We all know the feeling; You find the perfect data set only to discover it’s held hostage in 30 pages of a PDF formatted by a drunk toddler or in 467.5 Excel worksheets spread across 19 workbooks emailed to you by a guy named Melvin. If you’re lucky, maybe there’s an online data platform where you can query some mythical database and download individual data files…One. At. A. Time. In a perfect world, however, all the data you’re nerdy heart could desire is freely accessible via an Application Programming Interface (API).