In order to allow the EmbedStories platform to collect your Instagram stories, you will need to connect your Instagram account which must be connected with a Facebook account that is managing a Facebook page. This is an official API requirement of the Facebook/Instagram platform.
To fetch Instagram stories first, you need to provide permission to your Facebook account. Keep in mind that you must have admin rights over the Facebook page you are trying to connect to the Instagram profile.
Important: Your Facebook account needs to have an admin role to manage the Facebook page that you want to connect with an Instagram profile and your Instagram account, must be a Business or Professional Instagram account.
Here is a helpful article on how you can switch your Instagram account to a business one.
Here are the steps on how to connect an Instagram profile with a Facebook page:
Step 1: Open your Facebook account and navigate to the Pages section, and select the Facebook page that you want to connect with your Instagram business/private account:
Step 2: Once you are logged inside the Facebook page, click on the Settings tab on the left menu:
Step 3: Then you will need to select the "Linked Accounts" tab:
Step 4: Once you click on the "Connect Account" button a popup will appear where you need to login to your Instagram profile once you log in, follow the steps to approve the necessary permissions:
Step 5: Go back to EmbedStories, click on the Social Accounts section on your menu, and click on the top right button "Add Account":
Step 6: To create your Instagram stories widget and start generating the stories just select one of the connected Instagram accounts and click on the 'Create widget' button: