You do not have to embed HTML to collect donations.
Open the widget (or campaign embed view).
Copy the share link.
Use it in email, social posts, QR codes, or a “Donate” button that opens a new tab.
The share link opens the widget as a full page on Sharity. If you set a website URL in Settings → Organization, donors see a Back to website link on that page.
Campaigns can also have a campaign page (hub) you can share — a gallery, donation list, logos, and buttons you configure in the campaign builder. Copy that URL from the campaign builder when you want one landing page for the whole campaign.