Coveralls is in Read Only mode while we work on updating the system. Sorry for the inconvenience.

VIGILANCE! Check this page Any time you notice a problem with coveralls

Migrated servers this weekend - New static IP addresses
Incident Report for Coveralls
Closing this as it was intended to stay open for the week of Mon, Aug 1-Fri, Aug 5.
Posted Aug 07, 2022 - 07:26 PDT
Keeping this incident open for another 24-48 hours in case users experience any of the issues below. If you're having any issues, please see the potential remedies below.
Posted Aug 02, 2022 - 07:53 PDT
We migrated the servers underlying our app again this weekend out of necessity.

All systems are fully operational, but for those of you who need to whitelist Coveralls IP addresses, the list is below.

Our DNS service is set up to make this change invisible to you, but for those of you who may be receiving 400 Bad Request errors back from Web or API requests, a guide to clearing the various caches involved in your chain of requests is also given below.

Finally, if you're experiencing these, or any other issues, we'd appreciate a heads up at

New Coveralls IP addresses:

Guide to clearing cache in your chain of requests:

If you are receiving 400 Bad Request errors, we think the root cause is caching somewhere in the chain of requests. Please try clearing your local caches with the help of these resources:

1. How to clear browser cache in:
- Chrome:
- Other Browsers:

2. How to clear machine cache on:
- Windows:
- MacOS:

3. How to clear cache at CI services and on CI runners:
- Github Actions:
- actions/cache:
- Listing and deleting caches in your Actions workflows:
- Github Actions Cache API:
- Travis CI:
- CircleCI:
- Gitlab CI/CD:
Posted Aug 01, 2022 - 07:46 PDT
This incident affected: Web and API.