Cloze can automatically log your Google Hangouts messages. To enable logging of these conversations please follow these instructions:

1.) Tap on More (...) in the lower right of your screen on mobile (iOS/Android) and lower left on cloze.com.

 

 

2.) Tap on Settings

 

3.) Tap on Connected Accounts to expand the section and then tap on the gear icon next to your Google Account and enable Google Hangouts.