Amazon Web Services says it has fixed the underlying problem that has disrupted many of the world's biggest websites and apps, but says there are still "significant errors" for some services
Snapchat, Duolingo and Roblox were among those affected earlier, with platform outage monitor Downdetector saying users are now reporting issues with Grok, Lyft and Hulu
Some applications came back online after more than six hours of disruption – more than 1,000 companies have been affected
The blame game for what happened to Amazon Web Services starts now, our North America technology correspondent writes
How have you been affected? Get in touch
Edited by Gavin Butler, with technology correspondent Lily Jamali in San Francisco
Consumer champion Matt Allwright warns that scammers could take advantage of people during an internet outage.
"People will be struggling to access things they enjoy using, or eally need to use, when it comes to things like banking," he told Morning Live.
He urges users not to panic if they see an error message when they're trying to use their banking services.
"Just ask yourself how important it is to make that transaction right now," he says. "If the answer is that it's very important, then get in touch with your bank directly using a number that you trust."
"The last thing you want to do is entertain a phone call out of the blue right now saying I can offer you a solution," he says.
Allwright adds that it's best to stay calm and wait until the issue resolves.
Freya Scott-Turner
Live reporter
As we've been reporting today, one of the platforms that has been affected is Roblox.
On the platform, users can create their own games using a development tool called Roblox Studio. People like Charles Osita Odili have built entire careers doing this.
As a result of the outage, many have been twiddling their thumbs today.
Odili explains that both the Roblox game and the development tool went down for many developers, both in the UK and in the US. "Once it all went down, we couldn't access either, meaning we couldn't work on our respective games for a couple of hours," he says.
"Sometimes the Roblox Studio still works so you can at least get work done, but that wasn't the case today," he adds.
"Back in the older days of development… we all manually saved work," he says, so the consequences of the outage would have been much worse.
Developers are used to outages though, he adds: "Everyone just goes to do something else for a few hours then as soon as someone gives the green light that its back up again, everyone hops back on."
In a new update, MyFitnessPal – a health app that allows users to track their food intake, exercise and weight – says it's seeing an increase in errors.
"We have started to see an increase in errors resulting in issues with log in, account creation, delays in search, and using smart logging and meal planning," it says.
"We will continue to monitor closely and provide updates."
This comes as Amazon Web Services says there are still "significant errors" for some services, despite the underlying problem having been fixed.
Users of the language-learning app Duolingo will be familiar with the concept of streaks.
They're a marker of how many days in a row you've practiced on the app. Indeed, some dedicated users rack up streaks in the thousands.
Duolingo has promised it will protect these streaks in spite of the outage.
"PSA: your streaks will be saved!" it says in a post on social media, adding thanks to users for their patience. 
Sakshi Venkatraman
Reporting from New York
For those just joining us, we've been covering the outages on some of the world’s biggest apps and websites today.
If you've been having trouble with technology platforms like Zoom, Lyft or Snapchat, you're not alone. Here's what we know so far:
We'll continue to bring you the latest as this situation unfolds. If you are being impacted by the outages, get in touch.
Mark tells us he was greeted with this error screen when he tried to take a look at his investments
Retired banker Mark from Essex tells us he has been trying to access his account, which has thousands of pounds of investments, with financial services company Hargreaves Lansdown today but cannot log in.
He says: “I used to work for a large corporate and we had an offsite system in case we ever had issues like this.
“I think it is sad that Hargreaves Lansdown does not have a backup. They don’t seem to have a disaster recovery system."
He's concerned that while the outage continues, he's unable to check on his investments.
“It’s in my terms and conditions that I can have access to it whenever I want," he explains.
“My worry is there is no disaster recovery and just pathetic excuses for not having a platform in case it goes wrong.
“They have millions, or billions. They should be able to cover the basics in these cases.”
Lily Jamali
North America Technology Correspondent
Amazon has been posting updates about the AWS outage roughly every half hour or so. In the latest, they say they continue to see signs of recovery across all AWS services.
But problems persist, including with its Lambda service, which computer science experts say helps ensure your cell phone, computer, or television can run apps from the cloud.
Amazon says users might see error messages when they try to run these outside services. They’re working on it.
While it seemed the worst had been resolved, a new series of “cascading failures” seems to have arisen during the last few hours, according to Mike Chapple, an information technology professor at Notre Dame University.
“It’s like when you have a large-scale power outage,” Chapple said. “Crews start working to try to bring it back on line. The power might flicker a few times,” but it’s possible “they’d only addressed the symptoms” and not the root cause.
Monday’s premier league fixture between West Ham United and Brentford has started without the use of Semi – Automated Offside Technology, (SAOT) due to today's Amazon Web Services outage.
SAOT is a system used to assist VAR (Video Assistant Referee) in making quicker and more consistent offside decisions. It became approved by clubs towards the end of the 2024-25 season.
The Premier League confirmed that, should SAOT become available during the game, it will be implemented when appropriate.
Kayla Epstein
US reporter, in New York
Kadri Brogi, a technical support manager who also teaches at universities in New York and New Jersey, was hit by the AWS outage on several fronts.
This morning, he realized he could not check the Ring doorbell camera he had installed on a second home in Albania for security purposes.
And Canvas, a widely used education software that allows teachers to assign and review students' work, was down.
“It impacts a huge amount of students and faculty," Brogi says.
Instructure, the company that owns Canvas, alerted users on X that their programmes were experiencing "service disruption".
Brogi, who uses the software as an educator for his online classes and helps maintain university infrastructure, warned about the implications for higher education.
"You understand if its a power outage," he says.
“But for AWS to have such a widespread outage is concerning."
Though Amazon Web Services (AWS) has said it has fixed the underlying issue that has disrupted numerous apps and websites today, some users are still reporting issues.
Downdetector now says users have been reporting issues with Grok, Lyft, Claude AI, Hulu and Reddit in updates posted on its X account., external
It's unclear if the recent issues are related to the AWS outage.
As we've been reporting, Downdetector says it has seen more than 6.5 million reports globally, affecting more than 1,000 companies, since the start of the outage.Sakshi Venkatraman
Reporting from New York
I’m embarrassed to admit how much I rely on rideshare apps, and my commute to join this page hit a roadblock this morning when I called a Lyft – in Texas where I got an early flight before work – and no cars were detected.
Lyft was one of the many apps affected by today’s outages, with service going out for thousands of users and drivers.
Despite scheduling my ride the night before, the app delayed me by nearly an hour, showing an eerily empty map devoid of the normal little cars buzzing around in the screen.
When I finally got a match, the Lyft driver told me he had several rides scheduled that morning that were ultimately cancelled.
He woke up at 04:00 to make the pickups – but the app didn’t let him accept any rides, he told me.Lily Jamali
North America technology correspondent
Amazon Web Services says the underlying problems that caused today’s outage are fixed. Now the blame game has begun.
One computer science expert says some of the responsibility rests with the companies who use AWS.
“Companies using Amazon haven’t been taking enough adequate care to build protection systems into their applications,” says Ken Birman, a computer science professor at Cornell University in New York.
Outages like the one on Monday occur all the time, although not always at this scale.
Birman tells the BBC that app developers should take care to invest in backing up mission-critical applications that live in the cloud.
“We know how to make these systems stronger, and we know how to do it securely,” Birman says.
The question of responsibility could well land in the courts.
More than a year after the massive CrowdStrike outage, Delta Airlines is still wrangling with the company to recover more than $500m in losses.
Even after CrowdStrike had fixed the issue, the airline said it had to manually reset 40,000 servers, leading to major flight delays over several days.
Given how integrated these systems are, determining fault isn't always straightforward.
Madeline Halpert
US Reporter
Amazon – the e-commerce platform – has been a victim of its company's web services outage too.
I've tried to purchase several items on the e-commerce platform today, but each time, I get a message that "something went wrong on our end", often accompanied by a photo of a cute dog.
On Downdetector, thousands of people have reported issues with the site, although the number seems to be decreasing since a peak of problems around noon US time.
People are experiencing issues with Amazon's Alexa products too.
We are hearing now that some customers have been able to make purchases on Amazon in the last few moments.
After today's Amazon Web Services outage impacted many of the world's biggest businesses, some customers might be asking whether they can take legal action for any disruption they might have suffered.
Henna Elahi, a senior associate at Grosvenor Law in London, explains that whether money can be recovered will depend on "several factors", including the contracts between the various parties and the severity of the outage.
For instance, banking apps are among those that saw thousands of reports of issues.
And, with users unable to make payments, this might have meant customers failed to complete purchases and breached contracts of their own.
"This may very well lead to customer complaints and attempts to recover any loss caused by the outage from the business," Elahi explains.
In the US, users are reporting issues with a variety of websites.
People are having trouble sending and receiving payments on the platform Venmo.
Coinbase, the largest US cryptocurrency exchange, has been having issues with its services since 03:00 EST (08:00 BST).
And trading app Robinhood, as well as language learning company DuoLingo, also appear to be experiencing technology problems.
Several media organisations were hit by the outage too, including the Wall Street Journal and the New York Times.
Starbucks has confirmed its app experienced disruptions earlier in the day but says it is now working again.
"I can confirm that our mobile order ahead app and pay features are all operating normally," a spokeswoman for the company says. "We experienced very limited interruption and were back up and running quickly."
We have asked the company if the disruption was linked to the AWS outage.
More than 1,800 people reported issues with the mobile app earlier in the day, according to outage monitor Downdetector.
A line chart by the monitor now shows a steep decline in user reports since 12:00 BST.
Alex Emery
BBC News
Tonia from Dalry, North Ayrshire, says she is missing £50 after transferring money to her partner this morning.
She says she doesn't have a bank card so usually transfers money and uses her partner's card to withdraw cash.
"We went to withdraw £15 but it got declined," she says. Tonia transferred another £10 – hoping it was a one off error. But she found that the money was still not there.
As we reported earlier, Lloyds banking group has said all its systems, including online banking for the Bank of Scotland are now up and running.
But Tonia's partner is still waiting for the transaction to complete, with the bank telling them they are trying to resolve the issue "as quickly as they can".
"What an inconvenience this is causing. We have a baby who needs formula," she continues.
Liv McMahon
Technology reporter
As we've been reporting, many of the larger sites impacted by today's issues appear to have recovered.
Two of the platforms that were hit are gaming giants Roblox and Fortnite, which both boast millions of daily players.
They both updated gamers earlier to say they're back up and running.
Tom Gerken
Technology reporter
At 08:00 BST this morning, reports started flooding in of problems accessing a few apps. By 09:00, it was apparent this had turned into quite a big deal.
We know now that the culprit was something called “DNS resolution” not working properly at Amazon Web Services.
In simple terms, it all comes down to the bit of tech which lets a computer understand what we mean when we see a url like bbc.co.uk.
But the reason it had such a big impact is simply that a massive amount of companies rely on Amazon working properly.
Downdetector told the BBC it had received reports stating more than 1,000 companies were facing problems.
The question now is – will some of these companies look to alternatives?
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