Auto-post on Instagram?

Question

PHP

Good afternoon. The task was to make automatic posting of photos in the social. Instagram network. I used this functionality - phpbl.ru/php/instagram-api-avtomaticheskij-posting.html
But I get gray images on Instagram at the output. I upload strictly square images 900 by 900 in size.
The script gives - success.

Answer 1

The script is taken from github, the shop has already been closed, at the moment there are no public methods for posting through the API.

Answer 2

Here is the completed service. They have written in the news that there will soon be an open API for connecting their sites
postsocial.ru

Answer 3

Here is another service for auto-posting on Instagram