Do you have innovative ideas for how the smart home ecosystem can be even more powerful and helpful? Then join the Google Home APIs Developer Challenge!

This is your chance to show us your skills by leveraging the power of the Google Home APIs to build cutting-edge experiences.

To help you build, we will be releasing a series of videos on how to use our Home APIs. Watch the first video to learn more about the Home APIs and the Developer Challenge.

Learn, build, and connect with the Google Home community, and also win exciting prizes!

Calling all developers! This is your chance to get hands-on with the Home APIs and craft an exciting app or feature that will wow users, inspire fellow builders, and land you some exciting prizes! Register and dive into the details.

Key dates:

Challenge period - June 1 - July 31, 2025

Submission deadline - July 31, 2025

Bonus - Missed what we announced at I/O 2025? Get all the details.