Once you have created an account, Sign in to your Buy Me a Coffee account.
Go to Settings menu in the sidebar.
Under General tab scroll down to Personal Link, and copy the Link.
Head over to Medium. Edit your existing medium article or create a new one.
Download our brand assets from our brand page
Drag and drop the button where you want it to appear in the article.
Select the image; the green border shows up.
Press ⌘ + K / Ctrl + K on your keyboard.
Add your page link, and press Enter to confirm.
Voila, you have successfully added Buy Me A Coffee button to your Medium story.