Scrape Social Media Preview Data

You've seen it: paste a link in Slack and it unfurls into a beautiful card with title, description, and image. That's Open Graph metadata. denkbot.dog extracts it automatically. Now you can build the same unfurl feature for your own app. The dog reads the head tags.

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What you'd use this for

Link unfurling in chat applications, social media sharing previews, bookmarking tools with rich previews, and any UI that needs to display a link's social card.

How it works

example

async function unfurlUrl(url) {
  const { metadata, title } = await fetch('https://api.denkbot.dog/scrape', {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer YOUR_API_KEY',
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({ url }),
  }).then(r => r.json())

  return {
    title: metadata.ogTitle || title,
    description: metadata.ogDescription || metadata.description,
    image: metadata.ogImage,
    url: metadata.ogUrl || url,
    siteName: metadata.ogSiteName,
  }
}