Put a price card for any coin we track on your own site. It is one iframe tag: no JavaScript to include, no API key to manage, nothing to keep updated. Free for any site.
<iframe src="https://heriux.com/api/v1/embed/price/bitcoin?theme=dark" width="320" height="150" frameborder="0" loading="lazy" title="bitcoin price"></iframe>
The widget is a single small HTML document — no scripts, no fonts, no external requests — and refreshes on its own each time the page it sits on is loaded.