Please ensure you have a Instagram Business Profile to be able to add this service.
You have be the Admin of the Facebook page linked to your Instagram Business profile (under Page roles in your Facebook page Settings) to be able to post. An Editor access is not sufficient for posting.
1. You can only include one image or a video when posting to an Instagram Business service. If you need to include multiple images or Stories in your post, please use the Instagram Reminder service.
1. Head over to Services > Add Services. Here you’ll see the list of our most popular services.
2. Find Instagram and click Add.
3. In the dialog you’ll see the Instagram Posting (Business Profiles) option, click Setup.
4. Please accept the permissions via Facebook and clicking Continue as...
5. Please click OK to confirm the permissions to allow Sendible to post.
6. From the drop-down, select your Instagram Business Profile.
7. Click Save Settings to finish adding the service.
8. To post, simply select the Instagram Business Profile service from the Compose box, that is corresponding to the Instagram Posting (Business Profiles) service, you have just added.
If you are adding more than one Instagram Business Profile, please ensure you logged out of Facebook before doing so.