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RSS Data Feed not rendering in Campaign – Web Feed option missing from Campaign Settings

  • May 8, 2026
  • 2 replies
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Hi everyone,

I’m struggling with an RSS integration from Substack and could use some expert eyes. I have successfully set up my Data Feed under Settings > Data Feeds, and the preview there shows the correct XML/JSON data from my Substack URL.

However, I cannot get the feed to render within my campaign. Here is what I’ve found:

  1. Missing Web Feed Option: In my Campaign "Tracking & Settings" page, there is no "Web Feed" dropdown menu available at all. I only see the tracking parameters.

  2. Editor Limitation: I can only find the "Data Feed" icon (the radio tower) when I switch to the "HTML ONLY" editor. In the Drag-and-Drop editor, the option is completely absent from the top bar and the sidebar.

  3. The Issue: Even when I am in the HTML editor, select the correct feed via the icon, and use the correct syntax (e.g., {{ feeds.Substack_Feed.entries.0.title }}), the preview remains empty.

  4. Steps taken: * Verified the feed URL is public.

    • Switched between XML and JSON content types in the feed settings.

    • Ensured the feed name in the code matches the Feed ID.

    • Tried cloning the campaign to see if it was a "Regular" vs "RSS" campaign issue, but the cloned version still lacks the Web Feed settings.

Has anyone encountered a situation where the Web Feed option is simply missing from the campaign settings?
Is there a specific account-level "flag" that needs to be enabled for the new editor to recognize data feeds?

I nowhere see any RSS option when creating a campaing or flow.
It’s just visible in the html editor of a campaign.
 

Thanks a lot in advance for your help!

Warmly,
Simon

Best answer by flowsbyalex

Hello Simon. 


Try creating the campaign using the classic/legacy editor instead of the new drag-and-drop editor, as RSS/Data Feed support is currently limited there, and then reselect the feed in the HTML editor to check if the variables start rendering properly.

All the best, 
Alex

2 replies

flowsbyalex
Problem Solver II
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  • Problem Solver II
  • Answer
  • May 8, 2026

Hello Simon. 


Try creating the campaign using the classic/legacy editor instead of the new drag-and-drop editor, as RSS/Data Feed support is currently limited there, and then reselect the feed in the HTML editor to check if the variables start rendering properly.

All the best, 
Alex


Kim from Cadence
Partner
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Hey ​@Simon.Karim_, I work with web feeds all the time and have a blog post on how to use these that might be helpful:https://cadencecampaigns.com/blog/how-to-x-of-the-day?utm_source=klaviyo&utm_medium=app-listing 

You don’t need to enable data feed usage when using drag-and-drop email templates to be able to use these. 

To best troubleshoot here — since I’m not seeing any issues with data feeds on my end — can you please share a screenshot of your template, a screenshot of what you see when you go to preview the template, and a copy/paste of the payload that Klaviyo gets for your data feed preview (head to Settings > Other > Web feeds > Edit, then hit Preview + copy/paste the result).

My best guess here is that your feed format may not match exactly how you’re trying to access it in your template leading to the blank rendering you’re seeing. 

Cadence / Book a demo