Open Graph API · Free while in launch
Beautiful link previews
from one URL
Drop a Cardstock URL into your <meta> tag. Get a polished, on-brand social preview — rendered on the fly, no headless browser, no design work required.
Try it live
Type anything below and see your OG image update in real-time.
<meta property="og:image"
content="https://cardstock.dev/v1/og?title=Beautiful+link+previews+from+one+URL&subtitle=One+API+call.+No+headless+browser.+Ships+in+minutes.&theme=light&key=YOUR_API_KEY" />
Up and running in 5 minutes
1
Get an API key
Free while we're in launch. No credit card required.
2
Add the URL
Replace your og:image with a Cardstock URL. Pass title, subtitle, and theme as query params.
3
Ship it
Replace your og:image and deploy. Satori renders each card on the fly; there's no headless browser in your stack.
One line of HTML
<meta property="og:image"
content="https://cardstock.dev/v1/og
?title=My+awesome+post
&subtitle=A+short+description
&theme=dark
&key=YOUR_API_KEY" />