Your bank's CSV export is the messiest API you will ever consume

I spent two weeks writing a bank-statement parser that runs inside the browser tab. No upload, no server, no account. Paste a CSV export from your card provider, get back the recurring charges hiding in it. The part I underestimated was not the recurring-charge logic. It was the file format. Every bank invents its own dialect of CSV, and each... Weiterlesen: Your bank's CSV export is the messiest API you will ever consume