Try something like:
curl -X POST -d '# hello world' https://nilslice-md2html.web.val.run | jq .output_file_data | xargs | base64 -d
https://nilslice-md2html.web.val.run
https://esm.town/v/nilslice/md2html
<script type="module" src="https://esm.town/v/nilslice/md2html"></script>
Try something like: