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Instead of adding Substack newsletters one by one, you can connect your Substack account and import all your subscriptions at once.
This quick import feature is available when adding an RSS block. You can also add individual Substack newsletters by pasting their URLs directly.

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Connecting Your Substack Account

1

Find your Substack profile URL

Navigate to substack.com and click on your profile icon, then click on your name to view your profile.
Substack profile navigation

Click on your profile icon and then your name

2

Make your 'Reads' section public

For Summate to import your subscriptions, your ‘Reads’ section must be public.
Substack profile with Reads section

Example profile showing the Reads section

Click ‘Edit Profile’ and scroll down to the ‘Reads’ section. Here you can choose which newsletters to make public.
Substack Reads privacy settings

Configure which newsletters are visible in your public Reads

You only need to make your Reads public during the import. After syncing with Summate, you can make them private again.
3

Connect in Summate

In Summate, when creating or editing an RSS block, click ‘Import your Substack’.
Import Substack button in Summate

Click the Import Substack button in your RSS block

Enter your Substack profile URL in the format:
  • https://substack.com/@username or
  • https://substack.com/profile/username
Substack profile URL input

Enter your Substack profile URL

4

Select subscriptions to import

Summate will fetch all your public subscriptions. Select which ones you want to add to your RSS block.
Substack subscription selection

Choose which Substack newsletters to import

The selected newsletters will be added as sources in your RSS block.

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After Import

Once imported, your Substack newsletters will appear as RSS sources in your block. You can:
  • View them in the RSS block’s Sources tab
  • Remove individual newsletters if needed
  • Import additional Substack accounts following the same process
Substack newsletters imported this way are treated as RSS feeds. They’ll be summarized just like any other blog or RSS source in your digest.

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Troubleshooting

  • Verify your Reads section is public
  • Check that your profile URL is correct
  • Try using the alternative URL format (@username vs profile/username)
Only newsletters visible in your public Reads will be imported. Check your Reads privacy settings and make sure the newsletters you want are set to public.
If you’re already receiving Substack newsletters via email forwarding, you don’t need to import them as RSS sources. You can add them to an Email block instead.

RSS Blocks

Learn about RSS blocks and sources

Sources

Understand how sources work

Email Forwarding

Alternative: Forward Substack newsletters via email