On August 8th at 21:53 UTC our API was unavailable due to an incorrect code change for approximately 6 minutes. Our automated systems alerted us to the downtime, at which point we immediately fixed the issue.
Our apologies for the downtime, no one likes to see spam slip through, especially us. We are taking another look at our automated systems to see what can be done to tighten the loop, with some additional measures to specifically prevent this type of error.
This is a good time to mention that the latest version of the Akismet plugin for WordPress has a built in re‑check mechanism. If for some reason your WordPress site is unable to reach akismet.com it will automatically schedule the comment to be checked a few minutes later. You can update using the built in plugin updater in WordPress, or download the Akismet WordPress plugin directly for the plugin repository.
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