Is the developer liable for violation of user agreements of third-party services on the site?

Question

Google

The site uses a free version of some api from Google with a limit of N requests per day, which works by the key and service api identifier, which, theoretically, can be created as many as you like;
+ some violation of the user agreement on other points, for example, caching of data from api

Is the developer responsible for the fact that he implemented this? Or the current owner of the Google account on which the api

Scales there, of course, are so-so now, but still ..

Answer 1

+ some violation of the user agreement on other points

possibly.
And caching results is not a violation.