Is there a way to manage (create, update) annotations using the YouTube API?
I have a few hundred videos on YouTube that I would like to add annotations to.
Unless it's just come out, there isn't a documented way of doing anything with annotations via the API yet. I'd be surprised if that kind of support doesn't appear soon, though.
There's an existing feature request for API access to annotations tracked at https://code.google.com/p/gdata-issues/issues/detail?id=558
I'd recommend "star"ing that feature request to be notified of any updates.
Update: It is possible to update InVideo programming annotations, but only those types. See http://www.youtube.com/watch?v=rqtuSRe3QLo
Some time Annotation makes irritate users but sometimes useful to instruct redirect to other topics.
Note: YouTube Discontinued Annotations because it's not working on mobile & second reason is that 70 % user watch YouTube videos on mobile so for better serve youtube took this type of decision.
Please Watch This Video for full clarity: https://youtu.be/Awl1TTUSY78
No, this is not supported.
The YouTube Data API v3 does allow you to create Invideo programming annotations and watermarks.