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://lm.madiator.cloud/post/1029236", "attributedTo": "https://lm.madiator.cloud/u/blenderdumbass", "to": [ "https://beehaw.org/c/foss", "https://www.w3.org/ns/activitystreams#Public" ], "name": "The Complexity of Selling Libre Software and Freedom in General", "cc": [], "mediaType": "text/html", "attachment": [ { "href": "https://blenderdumbass.org/articles/the_complexity_of_selling_libre_software_and_freedom_in_general", "mediaType": "text/html", "type": "Link" } ], "image": { "type": "Image", "url": "https://lm.madiator.cloud/pictrs/image/d5371632-1abc-4933-acf7-c41107b649a9.png" }, "sensitive": false, "published": "2025-06-16T17:37:37.367468Z", "language": { "identifier": "en", "name": "English" }, "audience": "https://beehaw.org/c/foss", "tag": [ { "href": "https://lm.madiator.cloud/post/1029236", "name": "#foss", "type": "Hashtag" } ] }