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": "Note", "id": "https://lemmy.ca/comment/17069764", "attributedTo": "https://lemmy.ca/u/Sunshine", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://feddit.uk/c/buyeuropean", "https://piefed.social/u/cabbage" ], "content": "<p>All European fediverse instance admins should look at this!</p>\n", "inReplyTo": "https://piefed.social/post/889406", "mediaType": "text/html", "source": { "content": "All European fediverse instance admins should look at this!", "mediaType": "text/markdown" }, "published": "2025-06-10T07:49:00.074923Z", "tag": [ { "href": "https://piefed.social/u/cabbage", "name": "@cabbage@piefed.social", "type": "Mention" } ], "distinguished": false, "language": { "identifier": "en", "name": "English" }, "audience": "https://feddit.uk/c/buyeuropean", "attachment": [] }