Springboard JSON embedding, live example

This is an embedded Springboard:

The extracted JSON:

And the board's Last-Modified:

This is the JavaScript used:

<script src="https://0l0.lol/embed.js"></script>

<script defer>
  const testBoardPubKey = '808b9f782c590df9f0f5c8052117a4db96c079a128d871cd4cd3e73cc83e0523';
  document.addEventListener('DOMContentLoaded', async () => {
    const { upDate, embeddedJson } = await embedSpringBoard(testBoardPubKey, 'boardContainer');
    document.getElementById('boardLastModified').textContent = upDate.toLocaleString();
    document.getElementById('boardJson').textContent = JSON.stringify(embeddedJson, null, 2);
  });
</script>
    

embed.js

Further documentation

(best I can do for now)