Multiple platforms including music streaming service Spotify and instant messaging platform Discord were down for tens of thousands of users after an outage at Google Cloud.
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Google Cloud said on its status page that multiple products were experiencing varying levels of service impact.
"Our engineers are continuing to mitigate the issue and we have confirmation that the issue is recovered in some locations," Google Cloud said.
It added that it could not say when the issue would be fully resolved, although it indicated that most regions had recovered by about 6.15am AEST.
The cloud provider attributed the problems to an unspecified "underlying dependency". The impact is mostly with facilitating API requests.
Sydney (australia-southeast1) and Melbourne (australia-southeast2) are among the affected locations.
There were more than 10,000 instances of people reporting problems with Google Cloud and more than 44,000 reports on Spotify in the US, according to Downdetector, which tracks outages by collating status reports from a number of sources.
Users in the US also reported problems with Google Meet and Google search engine, while there were more than 8000 reports on messaging platform Discord.
Discord could not be immediately reached. Spotify did not immediately respond to a request for comment.
Downdetector's numbers are based on user-submitted reports. The actual number of affected users may vary.
Additional reporting by iTnews.