The Integration Hub has a Manual Import trigger option that allows you to upload a CSV, JSON, or ICS file and import that data into a specified product.
Instructions
Navigate to the Integrations tab and click + New Integration
Select the Simple integration card
Add a Short Description of the integration
Choose Manual Import from the Trigger drop-down
Upload the CSV, JSON, or ICS file you would like to import
Choose the Deduplicate Content fields. This will help prevent duplicate items from being created every time you import content so make sure to choose one or more fields that will be unique for your items.
Select the Action (where you would like to import the content) and the related Credentials
Configure any additional options, depending on the selected Action, and click Next
Map the fields from your uploaded file to the action fields
Click Next
Choose Save and Import to save and enable the integration to import the content from the uploaded file