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://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/lobsters/statuses/114440464965932655", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-02T21:55:15Z", "url": "https://mastodon.social/@lobsters/114440464965932655", "attributedTo": "https://mastodon.social/users/lobsters", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/lobsters/followers", "https://functional.cafe/users/eh" ], "sensitive": false, "atomUri": "https://mastodon.social/users/lobsters/statuses/114440464965932655", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-02:objectId=987272088:objectType=Conversation", "content": "<p>Opam&#39;s Nix system dependency mechanism via <span class=\"h-card\" translate=\"no\"><a href=\"https://functional.cafe/@eh\" class=\"u-url mention\">@<span>eh</span></a></span> <a href=\"https://lobste.rs/s/cpjlaz\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">lobste.rs/s/cpjlaz</span><span class=\"invisible\"></span></a> <a href=\"https://mastodon.social/tags/ml\" class=\"mention hashtag\" rel=\"tag\">#<span>ml</span></a> <a href=\"https://mastodon.social/tags/nix\" class=\"mention hashtag\" rel=\"tag\">#<span>nix</span></a><br /><a href=\"https://ryan.freumh.org/opam-nix.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">ryan.freumh.org/opam-nix.html</span><span class=\"invisible\"></span></a></p>", "contentMap": { "en": "<p>Opam&#39;s Nix system dependency mechanism via <span class=\"h-card\" translate=\"no\"><a href=\"https://functional.cafe/@eh\" class=\"u-url mention\">@<span>eh</span></a></span> <a href=\"https://lobste.rs/s/cpjlaz\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">lobste.rs/s/cpjlaz</span><span class=\"invisible\"></span></a> <a href=\"https://mastodon.social/tags/ml\" class=\"mention hashtag\" rel=\"tag\">#<span>ml</span></a> <a href=\"https://mastodon.social/tags/nix\" class=\"mention hashtag\" rel=\"tag\">#<span>nix</span></a><br /><a href=\"https://ryan.freumh.org/opam-nix.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">ryan.freumh.org/opam-nix.html</span><span class=\"invisible\"></span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://functional.cafe/users/eh", "name": "@eh@functional.cafe" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ml", "name": "#ml" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/nix", "name": "#nix" } ], "replies": { "id": "https://mastodon.social/users/lobsters/statuses/114440464965932655/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/lobsters/statuses/114440464965932655/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/lobsters/statuses/114440464965932655/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/lobsters/statuses/114440464965932655/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/lobsters/statuses/114440464965932655/shares", "type": "Collection", "totalItems": 0 } }