Amazon‘s unit that runs Web servers for other companies had problems Sunday that coincided with outages or slowdowns on several popular websites.
Online home rental service AirBnB tweeted at 4:32 p.m. EDT (2000 GMT) that it was one of several websites and apps that were temporarily down because Amazon server problems.
Instagram sent a tweet saying it was aware some users were having trouble loading Instagram and that was working on the problem. Vine later sent a similar tweet.
Amazon Web Services provides companies with online storage and computing power. Its website showed several problems resolved on Sunday evening, with a few remaining.
Amazon did not immediately respond to a request for comment.