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://social.heise.de/users/heisec/statuses/114001100176401955", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-02-14T07:39:00Z", "url": "https://social.heise.de/@heisec/114001100176401955", "attributedTo": "https://social.heise.de/users/heisec", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.heise.de/users/heisec/followers" ], "sensitive": false, "atomUri": "https://social.heise.de/users/heisec/statuses/114001100176401955", "inReplyToAtomUri": null, "conversation": "tag:social.heise.de,2025-02-14:objectId=10208312:objectType=Conversation", "content": "<p>Lexmark warnt vor Sicherheitslücken in Drucker-Software und -Firmware</p><p>Lexmark hat Sicherheitslücken in Drucker-Firmware und Begleitsoftware gefunden. Updates stehen bereit, um sie zu schließen.</p><p><a href=\"https://www.heise.de/news/Lexmark-warnt-vor-Sicherheitsluecken-in-Drucker-Software-und-Firmware-10282090.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">heise.de/news/Lexmark-warnt-vo</span><span class=\"invisible\">r-Sicherheitsluecken-in-Drucker-Software-und-Firmware-10282090.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon</span></a></p><p><a href=\"https://social.heise.de/tags/Drucker\" class=\"mention hashtag\" rel=\"tag\">#<span>Drucker</span></a> <a href=\"https://social.heise.de/tags/Firmware\" class=\"mention hashtag\" rel=\"tag\">#<span>Firmware</span></a> <a href=\"https://social.heise.de/tags/Lexmark\" class=\"mention hashtag\" rel=\"tag\">#<span>Lexmark</span></a> <a href=\"https://social.heise.de/tags/Security\" class=\"mention hashtag\" rel=\"tag\">#<span>Security</span></a> <a href=\"https://social.heise.de/tags/Sicherheitsl%C3%BCcken\" class=\"mention hashtag\" rel=\"tag\">#<span>Sicherheitslücken</span></a> <a href=\"https://social.heise.de/tags/news\" class=\"mention hashtag\" rel=\"tag\">#<span>news</span></a></p>", "contentMap": { "de": "<p>Lexmark warnt vor Sicherheitslücken in Drucker-Software und -Firmware</p><p>Lexmark hat Sicherheitslücken in Drucker-Firmware und Begleitsoftware gefunden. Updates stehen bereit, um sie zu schließen.</p><p><a href=\"https://www.heise.de/news/Lexmark-warnt-vor-Sicherheitsluecken-in-Drucker-Software-und-Firmware-10282090.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">heise.de/news/Lexmark-warnt-vo</span><span class=\"invisible\">r-Sicherheitsluecken-in-Drucker-Software-und-Firmware-10282090.html?wt_mc=sm.red.ho.mastodon.mastodon.md_beitraege.md_beitraege&amp;utm_source=mastodon</span></a></p><p><a href=\"https://social.heise.de/tags/Drucker\" class=\"mention hashtag\" rel=\"tag\">#<span>Drucker</span></a> <a href=\"https://social.heise.de/tags/Firmware\" class=\"mention hashtag\" rel=\"tag\">#<span>Firmware</span></a> <a href=\"https://social.heise.de/tags/Lexmark\" class=\"mention hashtag\" rel=\"tag\">#<span>Lexmark</span></a> <a href=\"https://social.heise.de/tags/Security\" class=\"mention hashtag\" rel=\"tag\">#<span>Security</span></a> <a href=\"https://social.heise.de/tags/Sicherheitsl%C3%BCcken\" class=\"mention hashtag\" rel=\"tag\">#<span>Sicherheitslücken</span></a> <a href=\"https://social.heise.de/tags/news\" class=\"mention hashtag\" rel=\"tag\">#<span>news</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://social.heise.de/tags/drucker", "name": "#drucker" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/firmware", "name": "#firmware" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/lexmark", "name": "#lexmark" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/security", "name": "#security" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/sicherheitslucken", "name": "#sicherheitslucken" }, { "type": "Hashtag", "href": "https://social.heise.de/tags/news", "name": "#news" } ], "replies": { "id": "https://social.heise.de/users/heisec/statuses/114001100176401955/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.heise.de/users/heisec/statuses/114001100176401955/replies?only_other_accounts=true&page=true", "partOf": "https://social.heise.de/users/heisec/statuses/114001100176401955/replies", "items": [] } }, "likes": { "id": "https://social.heise.de/users/heisec/statuses/114001100176401955/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://social.heise.de/users/heisec/statuses/114001100176401955/shares", "type": "Collection", "totalItems": 5 } }