Buttondown Embed Subscribe Form Not Working
Quick answer
An embedded form breaks when the HTML snippet is edited or pasted into the wrong block type. Regenerate it from Settings > Embedding and paste it into an HTML or code block.
Most likely fix: Regenerate the snippet
How to fix it
Try these in order — the most common fix is first.
1. Regenerate the snippet
- Open Settings > Embedding
- Copy the new snippet; it includes styling and a taller iframe so the button is not clipped
Did this fix it?2. Paste into the right block
- Squarespace: Code block
- Framer: Embed block set to HTML
- WordPress: use the official Buttondown plugin
Did this fix it?3. Check the form
- The form action must be the embed-subscribe endpoint on a standard HTML form
- Disable ad blockers when testing
Did this fix it?
Symptoms
Form is cut off, Subscribe button hidden, submit does nothing, or the page strips the form.
Why it happens
- Hand-edited snippet or wrong action URL
- Site builder stripping scripts or iframes
- Pasted into a text block, not HTML
- Old snippet from before iframe height and styling fixes
This guide also covers
- buttondown embed form not working
- buttondown subscribe form
- buttondown wordpress form
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