Google Cloud returning 502s
Incident Report for Next Tech
The incident appears to be resolved for most Google Cloud customers, including us. You can find their future status updates for this incident here:

We will provide another update if anything changes.
Posted Jul 17, 2018 - 12:58 PDT
Our website and APIs seem to be functioning again. We will continue to monitor Google Cloud's status.
Posted Jul 17, 2018 - 12:51 PDT
Google Cloud is returning 502 for many of its customers. We're monitoring and waiting for an update from them, but currently our site and APIs are down due to this issue.

The live Twitter stream may also be useful:

Google Cloud's status page is located here:
Posted Jul 17, 2018 - 12:33 PDT
This incident affected: Website, Project API, and Zapier API.