However, during delivery to end users it may be stored transiently in locations outside of the EU, such as in CDN caches, networking equipment, and browser caches, depending on the project configuration (e.g. private data sets). Data which we control, such as our user database and email processing, may be stored in the U.S. with third-party processors employed by us in order to deliver the service - see below for more information.</p>Third-Party Processors<p>Customer-controlled data provided via our API is only stored in Google Cloud Platform, and never shared with any other third parties. Other customer data for which we are a controller, such as our user database, email processing, error reporting, and so on, may be sent to certain third-party processors which we employ to deliver our services, as detailed in our terms of service.