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/114460959754311747/replies", "type": "Collection", "first": { "id": "https://mstdn.nere9.help/users/hadsn/statuses/114460959754311747/replies?page=true", "type": "CollectionPage", "next": "https://mstdn.nere9.help/users/hadsn/statuses/114460959754311747/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.nere9.help/users/hadsn/statuses/114460959754311747/replies", "items": [ { "id": "https://mstdn.nere9.help/users/hadsn/statuses/114460975320003035", "type": "Note", "summary": null, "inReplyTo": "https://mstdn.nere9.help/users/hadsn/statuses/114460959754311747", "published": "2025-05-06T12:51:18Z", "url": "https://mstdn.nere9.help/@hadsn/114460975320003035", "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/114460975320003035", "inReplyToAtomUri": "https://mstdn.nere9.help/users/hadsn/statuses/114460959754311747", "conversation": "tag:mstdn.nere9.help,2025-05-06:objectId=94917728:objectType=Conversation", "content": "<p>え、 <a href=\"https://mstdn.nere9.help/tags/USB\" class=\"mention hashtag\" rel=\"tag\">#<span>USB</span></a> でパラレルポートを生やしたい人は珍しい? そりゃそうかもしれませんが、そういう用途もあるってことで <a href=\"https://mstdn.nere9.help/tags/IEEE1284\" class=\"mention hashtag\" rel=\"tag\">#<span>IEEE1284</span></a></p>", "contentMap": { "ja": "<p>え、 <a href=\"https://mstdn.nere9.help/tags/USB\" class=\"mention hashtag\" rel=\"tag\">#<span>USB</span></a> でパラレルポートを生やしたい人は珍しい? そりゃそうかもしれませんが、そういう用途もあるってことで <a href=\"https://mstdn.nere9.help/tags/IEEE1284\" class=\"mention hashtag\" rel=\"tag\">#<span>IEEE1284</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mstdn.nere9.help/tags/usb", "name": "#usb" }, { "type": "Hashtag", "href": "https://mstdn.nere9.help/tags/IEEE1284", "name": "#IEEE1284" } ], "replies": { "id": "https://mstdn.nere9.help/users/hadsn/statuses/114460975320003035/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.nere9.help/users/hadsn/statuses/114460975320003035/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.nere9.help/users/hadsn/statuses/114460975320003035/replies", "items": [] } } } ] } }