How to export (send) image from website to Instagram? I'm working on a social network website based on Drupal7, This social network is based on photos and users may upload photos and they are accessible in their profile. I need to equip the site to contact to the Instagram profile of users and they can send images from my website to their profile in Instagram. I checked the Instagram Block and Instagram Feeds and Drupalgram modules, but from I understand these modules only import images from Instagram, non of them export images to Instgram. How do I can send Images from my website to Instagram?
You can use module InstaPost for posting nodes to Instagram. Some details about it (from its project page):


  This module allows users to post nodes automatically to the online
  mobile photo-sharing, video-sharing, and social networking service
  Instagram.


Disclosure: I'm the maintainer of this module.