The data nobody sells: why I started taking a daily snapshot of 211,243 companies

Korea's National Tax Service runs a clean public API for business registration status. Give it a 10-digit number, get back whether the company is active, suspended or closed. It's free, it's fast, it's accurate. It also has no memory. Ask it today and you learn the company is closed. Ask what it was last month and there's no answer, because that... Weiterlesen