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API integration and more for 37signals products: Basecamp, Highrise, Campfire, Backpack
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Basecamp APIs

Looking to integrate with a Basecamp product? We've got everything you need here. From sample code to detailed API documentation, you'll be up and running in no time.

Where do I start?

Want to get started with API integration? Here's a quick check list:

  1. Register your app or update your already registered app to access more products.
  2. Review the brand guidelines for rules on naming and marketing your app
  3. Read up on how to authenticate your app with our products.
  4. Peruse the API docs for the product you need to work with
  5. Have a question? Post it on StackOverflow tagged with the product you're working on (for example, basecamp) or open up a support ticket.

API Documentation

Need to look up the API documentation for a product? There's a repo for each:


Logging your users into our products is supported through OAuth 2. Several apps support login via API tokens and HTTP Basic Authentication as well.

We have a detailed guide for authenticating your users with our apps.

Brand Guidelines

Have questions on how to name and publicize your app? Our brand guidelines have some basic answers for you. If you have a more detailed question, just open up a support ticket and we'll sort it out!

Official logo

Need our logo for your marketing page? You can download the Basecamp official logo in the repo.

Help us make it better

Please tell us how we can make the APIs better. If you have a specific feature request or if you found a bug, please open a support ticket. Also, feel free to fork these docs and send a pull request with improvements!

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