Nest Web Client

Nest thermostat control via undocumented web API. Subject to break if the API changes.

Configuration

Example configuration file:

[credentials]
email = ...

[device]
serial = ...

[oauth]
cookie = ...
login_hint = ...
client_id = ...

[units]
temperature = f

The oauth section values currently need to be obtained manually by using devtools in Chrome...

Note: While it may be possible to follow this procedure with Firefox, the value of the cookie obtained in the last step seems to be slightly different. Attempting to use it without editing it may cause an encoding error. Rather than trying to find the correct content to include/exclude, it may be easier to just use Chrome for this instead.

The steps to do so:

• Log out of your Nest account in Chrome
  • This step may not be necessary - simply accessing the page in a new tab may be sufficient
• Open a new tab, open devtools (ctrl+shift+i), and go to the Network tab
  • It may help to check Disable Cache
• Go to home.nest.com, click Sign in with Google, and log in
  • If you have 3rd party cookies disabled / blocked in your browser's settings, you will need to temporarily allow them to do so.
• In devtools, filter to issueToken, click the iframerpc row, and examine the Request URL. The login_hint and client_id values can be extracted from the query parameters
  • Note: This is slightly different from the config used by badnest
  • While the cookie value from the next step may need to be updated periodically (usually after a few months), these 2 values appear to stay consistent.
• Filter to oauth2/iframe and click the last iframe row. The cookie value is the entire cookie value from the Request Headers for this row.

Thanks to the badnest project for the OAuth login info