Recently I read Cody Bontecou blog about Post to Dev, Hashnode, and Medium using their APIs. This was something I was curious about as well. Doing some googling, I came across two solutions that seemed to solve the same problems. cross-post-blog npm...

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Cody Bontecou
Enjoying Life
Super cool! I'm actually really glad you went out and gave a solid overview of the app.
It's odd how it just scrapes the HTML and gives you that to work with. How does it handle sidebars, footers, and things like that? Does it expect you to edit it within their editor?
I was thinking of just building a web page that you uploaded your markdown file and had little to no editing available, but maybe giving users the ability to edit is an expected feature.