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://hci.social/users/bwaber/statuses/114180945479607807", "type": "Note", "summary": null, "inReplyTo": "https://hci.social/users/bwaber/statuses/114180945432299597", "published": "2025-03-18T01:56:02Z", "url": "https://hci.social/@bwaber/114180945479607807", "attributedTo": "https://hci.social/users/bwaber", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://hci.social/users/bwaber/followers" ], "sensitive": false, "atomUri": "https://hci.social/users/bwaber/statuses/114180945479607807", "inReplyToAtomUri": "https://hci.social/users/bwaber/statuses/114180945432299597", "conversation": "tag:hci.social,2025-03-18:objectId=37796681:objectType=Conversation", "content": "<p>Next was an intriguing talk by Zhiyuan Li on incorporating a token reduction method into chain of thought processing at the Simons Institute for the Theory of Computing <a href=\"https://www.youtube.com/watch?v=Ja0V68kIyyM\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=Ja0V68kIyy</span><span class=\"invisible\">M</span></a> (3/10) <a href=\"https://hci.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a></p>", "contentMap": { "en": "<p>Next was an intriguing talk by Zhiyuan Li on incorporating a token reduction method into chain of thought processing at the Simons Institute for the Theory of Computing <a href=\"https://www.youtube.com/watch?v=Ja0V68kIyyM\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=Ja0V68kIyy</span><span class=\"invisible\">M</span></a> (3/10) <a href=\"https://hci.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://hci.social/tags/ai", "name": "#ai" } ], "replies": { "id": "https://hci.social/users/bwaber/statuses/114180945479607807/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://hci.social/users/bwaber/statuses/114180945479607807/replies?min_id=114180945491078171&page=true", "partOf": "https://hci.social/users/bwaber/statuses/114180945479607807/replies", "items": [ "https://hci.social/users/bwaber/statuses/114180945491078171" ] } }, "likes": { "id": "https://hci.social/users/bwaber/statuses/114180945479607807/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://hci.social/users/bwaber/statuses/114180945479607807/shares", "type": "Collection", "totalItems": 0 } }