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Ishita_Chawra
Ishita_Chawra
April 13, 2026
Solved

Custom Activity - Vimeo Video Views

  • April 13, 2026
  • 1 reply
  • 25 views

Hi,

​@Dan_Stevens_ I was browsing about custom activity setup and came across your comment here 

Could you share the code you used in the landing page for tracking custom activity for Brightcove video views? I’m trying to do something similar for Vimeo, but my code isn’t working. 

1. I do not see anything in the activity history other than the option to filter custom activity “Watched Vimeo Video”
2. Chatgpt said “Cross‑Domain / Hostname Mismatch in Marketo Tracking” is the issue. Does this affect a Marketo landing page if the video is embedded there?
3. I see console logs firing, but there’s no “/munchkin/customActivity” showing in DevTools → Network.

Also, Is my setup, fields, and API names correct? 
​​​​​​​
Anyone experienced in using Vimeo and tracking Analytics in Marketo, please share your insights and best practices. 

Thank you!

 

Best answer by SanfordWhiteman

You can’t write Marketo Custom Activities directly from the browser. Period.

 

So it seems like you’re mixing together two technologies:

  1. true Custom Activities, which can only be written server-to-server
  2. pseudo-custom activities, which are actually Munchkin standard activities (Visit Web Page/Click Link) fired using the Munchkin JS API and a unique URL pattern like /vimeo/play and /vimeo/pause.

1 reply

SanfordWhiteman
SanfordWhitemanAccepted solution
Level 10
April 13, 2026

You can’t write Marketo Custom Activities directly from the browser. Period.

 

So it seems like you’re mixing together two technologies:

  1. true Custom Activities, which can only be written server-to-server
  2. pseudo-custom activities, which are actually Munchkin standard activities (Visit Web Page/Click Link) fired using the Munchkin JS API and a unique URL pattern like /vimeo/play and /vimeo/pause.
    Ishita_Chawra
    Ishita_ChawraAuthor
    April 15, 2026

    ​@SanfordWhiteman Thank you, Sanford, as always, for providing clarity and helping me organize my thoughts. Working internally to see which route we want to take. 

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