Here are the necessary steps to go through (only required once for each Instagram account) to facilitate the integration of your Instagram Business account with Walls.io. You can find more detailed information about it in this article.
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Go to Walls.io and connect your Instagram Business Profile
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Log in to the Walls.io app, go to Settings > Sources, click on the Instagram icon, and insert your Instagram Business profile URL. Afterwards, click on the Connect button.
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Once your Instagram business account is connected to Walls.io, you will see a confirmation message at the bottom left.
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Once your Instagram Business account is connected to Walls.io, you can start adding your sources. You can add two types of Instagram sources to your social wall: hashtags and profiles.

After you connected your Instagram Business account to Walls.io as explained above, you can add hashtag sources to your social wall. To do that, go to Settings > Sources, click on the Instagram icon, and click on the Hashtag tab. Afterwards, insert the hashtag that you want to collect posts for and click ADD.

It’s not possible to create a source for a brand new hashtag 

The Instagram Graph API only allows Walls.io to fetch posts for hashtags that have been used on Instagram before. An easy way around this is to simply publish a dummy public post on Instagram using the hashtag and then try adding it to your social wall. If you add a hashtag that doesn’t yet exist on Instagram, you will get the following error message:

Instagram only allows a maximum of 30 hashtags to be queried per week per Business account

We can only fetch a maximum of 30 unique hashtags on behalf of any Instagram Business account within a rolling 7-day period. A hashtag will count against this limit as soon as it is queried. 

We only fetch public posts

Posts from private Instagram profiles can't be displayed for reasons of privacy!

We only fetch posts from the last 24h and top posts

Please be aware: when adding a new hashtag source for Instagram, we can fetch only "Most recent" posts from the last 24 hours and "Top posts". Once the source is added, we can, of course, collect (& keep) all future posts, so this limitation is only relevant when starting with a new hashtag/wall.

IMPORTANT: It is not possible for us to change this limit since these are technical limitations of the platforms' APIs (=programming interfaces for tools like ours).

After you connected your Instagram Business account to Walls.io, you can add your profile as a source. To do that, go to Settings > Sources, click on the Instagram icon and click on the Profile tab. Afterwards, insert the URL of an Instagram Business profile you own and click ADD.
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