Qwik API returns 500 error from invalid HTML produced by builder itself

Builder content link

Builder public api key

Detailed steps to reproduce the bug
try to fetch content, but returns 500 error


can not be rendered because one of its ancestor is a

or a

.\n\nThis goes against the HTML spec: HTML Standard”}

But all the content was produced via Builder UI

Tried another content model:


{“status”:500,“message”:“ReferenceError: builder is not defined”}

Hello @jtcf Thank you for reaching out to the Builder.io forum with your question about Qwik! Unfortunately, this support channel is only intended for questions about the use of the Builder.io Visual Editor and its related plans and pricing.

However, Our Open source development team would love to help you take advantage of Qwik and Partytown to boost your site performance scores further and provide more value to your implementation with Builder.

To reach out to the Partytown and Qwik open source project teams, please head over to our Discord and join the discussion there. For the best results, we’d recommend you make a copy of your implementation of Partytown and place it in a Stackblitz project for review, then share it with the #general-partytown channel.

I hope you find the information above helpful and please don’t hesitate to reach out to us if you need any further assistance.


@sheema I am referring to the builder API here for server rendering our builder editor content:

Builder’s Qwik API is an performance-optimized alternative to the [HTML API]

I am not using Qwik or partytown on the client-side.