Yesterday we reported that there was an Google AdWords API Usage Reporting Glitch. In short, Google wasn't telling AdWords API users how many API calls they were making, and since Google charges some advertisers for API calls, it can become an issue.
Google confirmed the issue in a Google Groups thread. Jeff Posnick from AdWords API Team said the issue is now resolved but there was an hour of API call usage Google seemed to have lost. Due to the data loss, Google cannot charge for that usage. Here is what Jeff said:
To update the thread: there was an issue that prevented AdWords API usage information from being updated following the scheduled downtime on March 14. For a few days after there was a backlog of usage info, and both the display in the AdWords web interface and the count returned via the InfoService was out of date. The engineering team believes that this issue is resolved now, and that the underlying circumstances leading to it should not recur.
They did identify a window of about an hour on March 14 for which they were not able to retrieve usage information, and any calls made during that window of time will not incur any charges (nor will they be reflected in the InfoService or the web interface's usage count). However, this window took place during the scheduled downtime, so there should have been only a small amount of traffic that got through during that time.
This likely only impacts a smaller percentage of our readers, but this seemed interesting enough to post about.
Forum discussion at Google Groups.