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://mstdn.nere9.help/users/hadsn/statuses/114460895702931896/replies", "type": "Collection", "first": { "id": "https://mstdn.nere9.help/users/hadsn/statuses/114460895702931896/replies?page=true", "type": "CollectionPage", "next": "https://mstdn.nere9.help/users/hadsn/statuses/114460895702931896/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.nere9.help/users/hadsn/statuses/114460895702931896/replies", "items": [ { "id": "https://mstdn.nere9.help/users/hadsn/statuses/114460911814761162", "type": "Note", "summary": null, "inReplyTo": "https://mstdn.nere9.help/users/hadsn/statuses/114460895702931896", "published": "2025-05-06T12:35:09Z", "url": "https://mstdn.nere9.help/@hadsn/114460911814761162", "attributedTo": "https://mstdn.nere9.help/users/hadsn", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.nere9.help/users/hadsn/followers" ], "sensitive": false, "atomUri": "https://mstdn.nere9.help/users/hadsn/statuses/114460911814761162", "inReplyToAtomUri": "https://mstdn.nere9.help/users/hadsn/statuses/114460895702931896", "conversation": "tag:mstdn.nere9.help,2025-05-06:objectId=94916908:objectType=Conversation", "content": "<p>なぜか会社に <a href=\"https://mstdn.nere9.help/tags/Windows11\" class=\"mention hashtag\" rel=\"tag\">#<span>Windows11</span></a> 23H2のまま24H2に上がらないPCがあったので、後生大事に維持させてもらっている <a href=\"https://mstdn.nere9.help/tags/Windows\" class=\"mention hashtag\" rel=\"tag\">#<span>Windows</span></a></p>", "contentMap": { "ja": "<p>なぜか会社に <a href=\"https://mstdn.nere9.help/tags/Windows11\" class=\"mention hashtag\" rel=\"tag\">#<span>Windows11</span></a> 23H2のまま24H2に上がらないPCがあったので、後生大事に維持させてもらっている <a href=\"https://mstdn.nere9.help/tags/Windows\" class=\"mention hashtag\" rel=\"tag\">#<span>Windows</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mstdn.nere9.help/tags/windows11", "name": "#windows11" }, { "type": "Hashtag", "href": "https://mstdn.nere9.help/tags/windows", "name": "#windows" } ], "replies": { "id": "https://mstdn.nere9.help/users/hadsn/statuses/114460911814761162/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.nere9.help/users/hadsn/statuses/114460911814761162/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.nere9.help/users/hadsn/statuses/114460911814761162/replies", "items": [] } } } ] } }