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-japan.net/users/BOACK/collections/featured", "type": "OrderedCollection", "totalItems": 2, "orderedItems": [ { "id": "https://mastodon-japan.net/users/BOACK/statuses/114436180691129285", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-02T03:45:42Z", "url": "https://mastodon-japan.net/@BOACK/114436180691129285", "attributedTo": "https://mastodon-japan.net/users/BOACK", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon-japan.net/users/BOACK/followers" ], "sensitive": false, "atomUri": "https://mastodon-japan.net/users/BOACK/statuses/114436180691129285", "inReplyToAtomUri": null, "conversation": "tag:mastodon-japan.net,2025-05-02:objectId=113008388:objectType=Conversation", "content": "<p>5/27(火)20:00から、高田馬場ミカドにてGGXXAC大会が開催されます。 大会はミカドCh1で配信予定です。<br /><a href=\"https://mastodon-japan.net/tags/%E3%82%B2%E3%83%BC%E3%82%BB%E3%83%B3%E3%83%9F%E3%82%AB%E3%83%89\" class=\"mention hashtag\" rel=\"tag\">#<span>ゲーセンミカド</span></a> <a href=\"https://mastodon-japan.net/tags/%E3%82%AE%E3%83%AB%E3%83%86%E3%82%A3%E3%82%AE%E3%82%A2\" class=\"mention hashtag\" rel=\"tag\">#<span>ギルティギア</span></a> <a href=\"https://mastodon-japan.net/tags/GGXXAC\" class=\"mention hashtag\" rel=\"tag\">#<span>GGXXAC</span></a></p><p>On May 27 (Tue.) from 20:00 (UTC+9), Game Center Mikado will hold GGXXAC tournament. It will stream on Mikado Ch 1.<br /><a href=\"https://www.youtube.com/@MIKADO4649\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">youtube.com/@MIKADO4649</span><span class=\"invisible\"></span></a></p>", "contentMap": { "ja": "<p>5/27(火)20:00から、高田馬場ミカドにてGGXXAC大会が開催されます。 大会はミカドCh1で配信予定です。<br /><a href=\"https://mastodon-japan.net/tags/%E3%82%B2%E3%83%BC%E3%82%BB%E3%83%B3%E3%83%9F%E3%82%AB%E3%83%89\" class=\"mention hashtag\" rel=\"tag\">#<span>ゲーセンミカド</span></a> <a href=\"https://mastodon-japan.net/tags/%E3%82%AE%E3%83%AB%E3%83%86%E3%82%A3%E3%82%AE%E3%82%A2\" class=\"mention hashtag\" rel=\"tag\">#<span>ギルティギア</span></a> <a href=\"https://mastodon-japan.net/tags/GGXXAC\" class=\"mention hashtag\" rel=\"tag\">#<span>GGXXAC</span></a></p><p>On May 27 (Tue.) from 20:00 (UTC+9), Game Center Mikado will hold GGXXAC tournament. It will stream on Mikado Ch 1.<br /><a href=\"https://www.youtube.com/@MIKADO4649\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">youtube.com/@MIKADO4649</span><span class=\"invisible\"></span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon-japan.net/tags/%E3%82%B2%E3%83%BC%E3%82%BB%E3%83%B3%E3%83%9F%E3%82%AB%E3%83%89", "name": "#ゲーセンミカド" }, { "type": "Hashtag", "href": "https://mastodon-japan.net/tags/%E3%82%AE%E3%83%AB%E3%83%86%E3%82%A3%E3%82%AE%E3%82%A2", "name": "#ギルティギア" }, { "type": "Hashtag", "href": "https://mastodon-japan.net/tags/ggxxac", "name": "#ggxxac" } ], "replies": { "id": "https://mastodon-japan.net/users/BOACK/statuses/114436180691129285/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon-japan.net/users/BOACK/statuses/114436180691129285/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon-japan.net/users/BOACK/statuses/114436180691129285/replies", "items": [] } }, "likes": { "id": "https://mastodon-japan.net/users/BOACK/statuses/114436180691129285/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon-japan.net/users/BOACK/statuses/114436180691129285/shares", "type": "Collection", "totalItems": 0 } }, { "id": "https://mastodon-japan.net/users/BOACK/statuses/114436179097093077", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-02T03:45:17Z", "url": "https://mastodon-japan.net/@BOACK/114436179097093077", "attributedTo": "https://mastodon-japan.net/users/BOACK", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon-japan.net/users/BOACK/followers" ], "sensitive": false, "atomUri": "https://mastodon-japan.net/users/BOACK/statuses/114436179097093077", "inReplyToAtomUri": null, "conversation": "tag:mastodon-japan.net,2025-05-02:objectId=113008326:objectType=Conversation", "content": "<p>5/26(月)20:00 高田馬場ミカドにてGGST大会が開催されます。初級・中級・無差別に組分け。ミカドCH1配信予定。<br /><a href=\"https://mastodon-japan.net/tags/%E3%82%B2%E3%83%BC%E3%82%BB%E3%83%B3%E3%83%9F%E3%82%AB%E3%83%89\" class=\"mention hashtag\" rel=\"tag\">#<span>ゲーセンミカド</span></a> <a href=\"https://mastodon-japan.net/tags/%E3%82%AE%E3%83%AB%E3%83%86%E3%82%A3%E3%82%AE%E3%82%A2\" class=\"mention hashtag\" rel=\"tag\">#<span>ギルティギア</span></a> <a href=\"https://mastodon-japan.net/tags/GGST\" class=\"mention hashtag\" rel=\"tag\">#<span>GGST</span></a></p><p>On May 26 (Mon) from 20:00 (UTC+9) Game Center Mikado will hold GGST tournament. It will stream on Mikado Ch 1.<br /><a href=\"https://www.youtube.com/@MIKADO4649\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">youtube.com/@MIKADO4649</span><span class=\"invisible\"></span></a></p>", "contentMap": { "ja": "<p>5/26(月)20:00 高田馬場ミカドにてGGST大会が開催されます。初級・中級・無差別に組分け。ミカドCH1配信予定。<br /><a href=\"https://mastodon-japan.net/tags/%E3%82%B2%E3%83%BC%E3%82%BB%E3%83%B3%E3%83%9F%E3%82%AB%E3%83%89\" class=\"mention hashtag\" rel=\"tag\">#<span>ゲーセンミカド</span></a> <a href=\"https://mastodon-japan.net/tags/%E3%82%AE%E3%83%AB%E3%83%86%E3%82%A3%E3%82%AE%E3%82%A2\" class=\"mention hashtag\" rel=\"tag\">#<span>ギルティギア</span></a> <a href=\"https://mastodon-japan.net/tags/GGST\" class=\"mention hashtag\" rel=\"tag\">#<span>GGST</span></a></p><p>On May 26 (Mon) from 20:00 (UTC+9) Game Center Mikado will hold GGST tournament. It will stream on Mikado Ch 1.<br /><a href=\"https://www.youtube.com/@MIKADO4649\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"\">youtube.com/@MIKADO4649</span><span class=\"invisible\"></span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon-japan.net/tags/%E3%82%B2%E3%83%BC%E3%82%BB%E3%83%B3%E3%83%9F%E3%82%AB%E3%83%89", "name": "#ゲーセンミカド" }, { "type": "Hashtag", "href": "https://mastodon-japan.net/tags/%E3%82%AE%E3%83%AB%E3%83%86%E3%82%A3%E3%82%AE%E3%82%A2", "name": "#ギルティギア" }, { "type": "Hashtag", "href": "https://mastodon-japan.net/tags/ggst", "name": "#ggst" } ], "replies": { "id": "https://mastodon-japan.net/users/BOACK/statuses/114436179097093077/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon-japan.net/users/BOACK/statuses/114436179097093077/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon-japan.net/users/BOACK/statuses/114436179097093077/replies", "items": [] } }, "likes": { "id": "https://mastodon-japan.net/users/BOACK/statuses/114436179097093077/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon-japan.net/users/BOACK/statuses/114436179097093077/shares", "type": "Collection", "totalItems": 0 } } ] }