Re:Ask HN: How to share from Pinterest to Instagram
by aapje on Wednesday November 05, 2014 @06:21AM
(#8561338)
At this moment, tons of apps allow photos to be posted to Instagram. Think of all the photo-editing and filter apps. They all have a share to Instagram function.
> Impossible at the moment as Instagram don't allow any 3rd party apps to post content.
Maybe go to the source before anything else, maybe they still dont allow it, then you'd need to write your own script to do it I guess.