Make sure your survey is in Published state. The embeddings are disabled if the survey is in Unpublished or Offline state.

Embedding via iframe

You can embed the survey via iframe using the following sample code.

<iframe src="" width="100%" height="640px" hspace="0" vspace="0" scrolling="no" frameborder="0" marginwidth="0" marginheight="0" style="min-width: 320px; max-width: 960px" onmousewheel=""></iframe>
Make sure to replace the `KEY` with your web embed key that you get when you create a web embed