The moment messaging app was unavailable to customers world wide for a number of hours on Wednesday.
WhatsApp customers world wide have been unable to make use of the messaging service for a number of hours on Wednesday.
Reviews that there have been issues with the app, which has greater than 1.2 billion customers globally, first started to appear at about 20:00 GMT.
WhatsApp mentioned in a short assertion that it was "conscious of the problem and dealing to repair it as quickly as attainable".
By about 22:30 GMT, most customers have been reporting that they have been in a position to ship and obtain messages once more.
However in accordance with each the DownDetector
and Outage Report
web sites, some folks have continued to have issues.
There was no remark from WhatsApp on what induced the problem, nor how widespread it was.
A second assertion from the corporate, launched after the service had been restored, mentioned: "Earlier in the present day, WhatsApp customers in all elements of the world have been unable to entry WhatsApp for just a few hours.
"We've now mounted the problem and apologise for the inconvenience."
Dave Anderson, a digital expertise skilled at Dynatrace, informed the BBC he believed it was probably that an replace to the app had induced the issue.
"WhatsApp ship a brand new model of the app to the shops each few days, and so they're more likely to be pushing code adjustments each hour to prepare for that," he mentioned.
"Every improvement comes with a danger.
"It solely takes one line of code and the app will fail.
"Banks would possibly solely subject a brand new model of their apps as soon as 1 / 4 as a result of they cannot afford to take that danger."
WhatsApp, he mentioned, could be underneath a lot larger strain to repeatedly replace and add new options.
WhatsApp v Snapchat
WhatsApp was offered to Fb in 2014.
Earlier on Wednesday, Fb chief government Mark Zuckerberg had mentioned new function within the app, WhatsApp Standing, had gained 175 million customers since its launch in February.
The function works in the same technique to Snapchat and Instagram's Tales, permitting customers to create a submit containing phrases, photographs or video, that disappears after 24 hours.
Snapchat, which has been in existence since September 2011, is believed to have about 160 million customers.
Instagram introduced final month that about 200 million folks used its Tales function day by day.