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.sdf.org/users/screwtape/statuses/114375097346699706", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.sdf.org/users/screwtape/statuses/114375083699155632", "published": "2025-04-21T08:51:24Z", "url": "https://mastodon.sdf.org/@screwtape/114375097346699706", "attributedTo": "https://mastodon.sdf.org/users/screwtape", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.sdf.org/users/screwtape/followers", "https://infosec.exchange/users/ksaj" ], "sensitive": false, "atomUri": "https://mastodon.sdf.org/users/screwtape/statuses/114375097346699706", "inReplyToAtomUri": "https://mastodon.sdf.org/users/screwtape/statuses/114375083699155632", "conversation": "tag:mastodon.sdf.org,2025-04-21:objectId=260260841:objectType=Conversation", "content": "<p>^ is apropos the latest episode <a href=\"https://mastodon.sdf.org/tags/lisp\" class=\"mention hashtag\" rel=\"tag\">#<span>lisp</span></a> <a href=\"https://mastodon.sdf.org/tags/podcast\" class=\"mention hashtag\" rel=\"tag\">#<span>podcast</span></a> <a href=\"https://communitymedia.video/w/7KpDL8dmSMN7zH6TxEgQbb\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">communitymedia.video/w/7KpDL8d</span><span class=\"invisible\">mSMN7zH6TxEgQbb</span></a> <span class=\"h-card\"><a href=\"https://infosec.exchange/@ksaj\" class=\"u-url mention\">@<span>ksaj</span></a></span></p>", "contentMap": { "en": "<p>^ is apropos the latest episode <a href=\"https://mastodon.sdf.org/tags/lisp\" class=\"mention hashtag\" rel=\"tag\">#<span>lisp</span></a> <a href=\"https://mastodon.sdf.org/tags/podcast\" class=\"mention hashtag\" rel=\"tag\">#<span>podcast</span></a> <a href=\"https://communitymedia.video/w/7KpDL8dmSMN7zH6TxEgQbb\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">communitymedia.video/w/7KpDL8d</span><span class=\"invisible\">mSMN7zH6TxEgQbb</span></a> <span class=\"h-card\"><a href=\"https://infosec.exchange/@ksaj\" class=\"u-url mention\">@<span>ksaj</span></a></span></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://infosec.exchange/users/ksaj", "name": "@ksaj@infosec.exchange" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/lisp", "name": "#lisp" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/podcast", "name": "#podcast" } ], "replies": { "id": "https://mastodon.sdf.org/users/screwtape/statuses/114375097346699706/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.sdf.org/users/screwtape/statuses/114375097346699706/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.sdf.org/users/screwtape/statuses/114375097346699706/replies", "items": [] } } }