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://lemmy.ml/post/28726223", "attributedTo": "https://lemmy.ml/u/unknownguyfromnowher", "to": [ "https://lemmy.ml/c/steam", "https://www.w3.org/ns/activitystreams#Public" ], "name": "If you like to have music while playing games like Elite Dangerous or No Man's Sky, try this SYNTHWAVE playlist out", "cc": [], "mediaType": "text/html", "attachment": [ { "href": "https://open.spotify.com/playlist/7gEEjq18EsISqJNEHkldVw", "mediaType": "text/html; charset=utf-8", "type": "Link" } ], "image": { "type": "Image", "url": "https://lemmy.ml/api/v3/image_proxy?url=https%3A%2F%2Fimage-cdn-ak.spotifycdn.com%2Fimage%2Fab67706c0000da846bc0a689f752f51e59e89109" }, "sensitive": false, "published": "2025-04-17T03:43:15.024048Z", "audience": "https://lemmy.ml/c/steam", "tag": [ { "href": "https://lemmy.ml/post/28726223", "name": "#steam", "type": "Hashtag" } ] }