ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://join-lemmy.org/context.json", "https://www.w3.org/ns/activitystreams" ], "type": "Page", "id": "https://lemmygrad.ml/post/7631133", "attributedTo": "https://lemmygrad.ml/u/yogthos", "to": [ "https://lemmygrad.ml/c/science", "https://www.w3.org/ns/activitystreams#Public" ], "name": "The Remarkable Ways Our Brains Slip Into Synchrony", "cc": [], "mediaType": "text/html", "attachment": [ { "href": "https://thereader.mitpress.mit.edu/the-remarkable-ways-our-brains-slip-into-synchrony/", "mediaType": "text/html; charset=utf-8", "type": "Link" } ], "image": { "type": "Image", "url": "https://thereader.mitpress.mit.edu/wp-content/uploads/2020/11/new-brain-graphic.gif" }, "sensitive": false, "published": "2025-04-21T03:38:52.415422Z", "language": { "identifier": "en", "name": "English" }, "audience": "https://lemmygrad.ml/c/science", "tag": [ { "href": "https://lemmygrad.ml/post/7631133", "name": "#science", "type": "Hashtag" } ] }