echo
echo
Feedback for newsletter writers.
or

Let's get you set up.

Give your newsletter a name. You'll embed a small widget into your Substack posts — readers click a reaction, you see the data here.

Newsletter
Add Echo to a post
Step 1 — Enter your post details

Auto-filled from your title. Just needs to be unique per post — it's how Echo groups responses, not a link back to Substack.

Step 2 — Copy your feedback link
Feedback page

Readers click this link, see the full Echo widget in a new tab, leave their reaction and optional feedback, then close the tab to return to your post.

Step 3 — Add to your Substack post
  1. At the end of your post, click + and add a Button block
  2. Label it something like "How did this post land? →"
  3. Paste the feedback link as the button URL
  4. Publish — readers click the button, share their reaction, and get a thank you
Advanced — individual reaction links

Use these if you want each reaction as a separate inline hyperlink in your post text instead of a single button.

Loved it
It was okay
Missed for me
Recent responses
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