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://infosec.pub/comment/16779284", "attributedTo": "https://infosec.pub/u/henfredemars", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://feddit.uk/c/buyeuropean", "https://piefed.ca/u/Sunshine" ], "content": "<p>Please don’t support the regime. Thanks.</p>\n", "inReplyTo": "https://piefed.ca/post/43704", "mediaType": "text/html", "source": { "content": "Please don’t support the regime. Thanks. ", "mediaType": "text/markdown" }, "published": "2025-07-02T17:56:02.562144Z", "tag": [ { "href": "https://piefed.ca/u/Sunshine", "name": "@Sunshine@piefed.ca", "type": "Mention" } ], "distinguished": false, "language": { "identifier": "en", "name": "English" }, "audience": "https://feddit.uk/c/buyeuropean", "attachment": [] }