Trello Developers

Start Building With Trello

The best way to build on top of Trello is to create a Power-Up! With Power-Ups you can add buttons to cards and boards, show previews of attachments on Trello cards, and much more - all inside of Trello! Power-Ups add extra functionality inside of Trello and let you and your team work with more perspective. Some Power-Ups help you automate your workflows, others give you a new view into the data you have stored in cards.

Need to register a new Power-Up or manage an existing one? Managing Power-Ups


Get Started In Five Minutes

Not sure where to start with building Power-Ups? We've got you covered. Head on over to Your First Power-Up to have a custom Power-Up running on one of your Trello boards in no time at all! Don't worry, Taco will still be here when you get back.


Explore Power-Up Capabilities

The sky's the limit in what you can deliver to Trello users in your Power-Up! Try a few of these on for size:

Ready to delight millions by sharing your Power-Up in the marketplace? Submit your Power-Up and get the review process started.


Start Building With Trello