Zapier co-founder here.<p>This is seriously the biggest change to our product since launching the company. We've been working on it for a year (including a beta w/ several thousand users) and are very excited to finally release it. Before, Zapier only supported 1-to-1 integrations which limited it's power. Multi-Step Zaps open up a huge array of new power...<p>- transforming data (like dates, string manipulation)<p>- executing JS code in between steps (can do manipulation, extra API calls, etc.)<p>- looking up data inside other apps<p>- if an item isn't found when looking it up, create it<p>More details in our release notes: <a href="https://zapier.com/blog/workflow-automation/" rel="nofollow">https://zapier.com/blog/workflow-automation/</a><p>How we built this: <a href="http://blog.invisionapp.com/redesigning-interactive-editor/" rel="nofollow">http://blog.invisionapp.com/redesigning-interactive-editor/</a><p>I know a ton of folks in the HN community use Zapier. Thank you so much for your support. I can't wait to see what you build now!