[18th of August 5pm EET] Instagram has fixed the issue and posting is now working normally. Contact us if you still experience problems. Once again, sorry for any inconvenience.
[18th of August 6am EET] Instagram has identified the issue and is actively working to resolve the problem. We continue monitoring on their progress.
[17th of August 6pm EET] Unfortunately, Instagram has problems and direct publishing (with video) does not work properly. We are investigating the issue currently.
We will notify you as soon as we have more information or an estimate for the fix. Posting to Instagram with pictures and using notifications works normally.
More information on the Meta platform status page.
Sorry for this inconvenience!