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", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.de/users/katzenberger/statuses/114357331740620186", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-18T05:33:22Z", "url": "https://mastodon.de/@katzenberger/114357331740620186", "attributedTo": "https://mastodon.de/users/katzenberger", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.de/users/katzenberger/followers", "https://infosec.exchange/users/tuxwise", "https://tldr.nettime.org/users/katzenberger" ], "sensitive": false, "atomUri": "https://mastodon.de/users/katzenberger/statuses/114357331740620186", "inReplyToAtomUri": null, "conversation": "tag:mastodon.de,2025-04-18:objectId=84206769:objectType=Conversation", "content": "<p>Moved to <span class=\"h-card\" translate=\"no\"><a href=\"https://tldr.nettime.org/@katzenberger\" class=\"u-url mention\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">@<span>katzenberger@tldr.nettime.org</span></a></span></p><p>Also moved my account <a href=\"https://mastodon.de/tags/tuxwise\" class=\"mention hashtag\" rel=\"tag\">#<span>tuxwise</span></a> from here to <span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@tuxwise\" class=\"u-url mention\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">@<span>tuxwise</span></a></span>, and taken the opportunity to finally close my dormant account <a href=\"https://mastodon.de/tags/PragmTeams\" class=\"mention hashtag\" rel=\"tag\">#<span>PragmTeams</span></a>.</p>", "contentMap": { "en": "<p>Moved to <span class=\"h-card\" translate=\"no\"><a href=\"https://tldr.nettime.org/@katzenberger\" class=\"u-url mention\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">@<span>katzenberger@tldr.nettime.org</span></a></span></p><p>Also moved my account <a href=\"https://mastodon.de/tags/tuxwise\" class=\"mention hashtag\" rel=\"tag\">#<span>tuxwise</span></a> from here to <span class=\"h-card\" translate=\"no\"><a href=\"https://infosec.exchange/@tuxwise\" class=\"u-url mention\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">@<span>tuxwise</span></a></span>, and taken the opportunity to finally close my dormant account <a href=\"https://mastodon.de/tags/PragmTeams\" class=\"mention hashtag\" rel=\"tag\">#<span>PragmTeams</span></a>.</p>" }, "updated": "2025-04-18T11:10:02Z", "attachment": [], "tag": [ { "type": "Mention", "href": "https://infosec.exchange/users/tuxwise", "name": "@tuxwise@infosec.exchange" }, { "type": "Mention", "href": "https://tldr.nettime.org/users/katzenberger", "name": "@katzenberger@tldr.nettime.org" }, { "type": "Hashtag", "href": "https://mastodon.de/tags/tuxwise", "name": "#tuxwise" }, { "type": "Hashtag", "href": "https://mastodon.de/tags/pragmteams", "name": "#pragmteams" } ], "replies": { "id": "https://mastodon.de/users/katzenberger/statuses/114357331740620186/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.de/users/katzenberger/statuses/114357331740620186/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.de/users/katzenberger/statuses/114357331740620186/replies", "items": [] } } }