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/114387892076490490", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-23T15:05:16Z", "url": "https://mastodon.social/@lobsters/114387892076490490", "attributedTo": "https://mastodon.social/users/lobsters", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/lobsters/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/lobsters/statuses/114387892076490490", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-23:objectId=979503352:objectType=Conversation", "content": "<p>How a 20 year old bug in GTA San Andreas surfaced in Windows 11 24H2 <a href=\"https://lobste.rs/s/vsjb87\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">lobste.rs/s/vsjb87</span><span class=\"invisible\"></span></a> <a href=\"https://mastodon.social/tags/debugging\" class=\"mention hashtag\" rel=\"tag\">#<span>debugging</span></a> <a href=\"https://mastodon.social/tags/games\" class=\"mention hashtag\" rel=\"tag\">#<span>games</span></a> <a href=\"https://mastodon.social/tags/windows\" class=\"mention hashtag\" rel=\"tag\">#<span>windows</span></a><br /><a href=\"https://cookieplmonster.github.io/2025/04/23/gta-san-andreas-win11-24h2-bug/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">cookieplmonster.github.io/2025</span><span class=\"invisible\">/04/23/gta-san-andreas-win11-24h2-bug/</span></a></p>", "contentMap": { "en": "<p>How a 20 year old bug in GTA San Andreas surfaced in Windows 11 24H2 <a href=\"https://lobste.rs/s/vsjb87\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">lobste.rs/s/vsjb87</span><span class=\"invisible\"></span></a> <a href=\"https://mastodon.social/tags/debugging\" class=\"mention hashtag\" rel=\"tag\">#<span>debugging</span></a> <a href=\"https://mastodon.social/tags/games\" class=\"mention hashtag\" rel=\"tag\">#<span>games</span></a> <a href=\"https://mastodon.social/tags/windows\" class=\"mention hashtag\" rel=\"tag\">#<span>windows</span></a><br /><a href=\"https://cookieplmonster.github.io/2025/04/23/gta-san-andreas-win11-24h2-bug/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">cookieplmonster.github.io/2025</span><span class=\"invisible\">/04/23/gta-san-andreas-win11-24h2-bug/</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/debugging", "name": "#debugging" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/games", "name": "#games" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/windows", "name": "#windows" } ], "replies": { "id": "https://mastodon.social/users/lobsters/statuses/114387892076490490/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/lobsters/statuses/114387892076490490/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/lobsters/statuses/114387892076490490/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/lobsters/statuses/114387892076490490/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/lobsters/statuses/114387892076490490/shares", "type": "Collection", "totalItems": 0 } }