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://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114513721348029603", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-15T20:25:18Z", "url": "https://rss-mstdn.studiofreesia.com/@ycombinator/114513721348029603", "attributedTo": "https://rss-mstdn.studiofreesia.com/users/ycombinator", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://rss-mstdn.studiofreesia.com/users/ycombinator/followers" ], "sensitive": false, "atomUri": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114513721348029603", "inReplyToAtomUri": null, "conversation": "tag:rss-mstdn.studiofreesia.com,2025-05-15:objectId=14342936:objectType=Conversation", "content": "<p>Refactoring Clojure<br /><a href=\"https://www.orsolabs.com/post/refactoring-clojure-1/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">orsolabs.com/post/refactoring-</span><span class=\"invisible\">clojure-1/</span></a><br /><a href=\"https://rss-mstdn.studiofreesia.com/tags/ycombinator\" class=\"mention hashtag\" rel=\"tag\">#<span>ycombinator</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/clojure\" class=\"mention hashtag\" rel=\"tag\">#<span>clojure</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/refactoring\" class=\"mention hashtag\" rel=\"tag\">#<span>refactoring</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/markov_chain\" class=\"mention hashtag\" rel=\"tag\">#<span>markov_chain</span></a></p>", "contentMap": { "ja": "<p>Refactoring Clojure<br /><a href=\"https://www.orsolabs.com/post/refactoring-clojure-1/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">orsolabs.com/post/refactoring-</span><span class=\"invisible\">clojure-1/</span></a><br /><a href=\"https://rss-mstdn.studiofreesia.com/tags/ycombinator\" class=\"mention hashtag\" rel=\"tag\">#<span>ycombinator</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/clojure\" class=\"mention hashtag\" rel=\"tag\">#<span>clojure</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/refactoring\" class=\"mention hashtag\" rel=\"tag\">#<span>refactoring</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/markov_chain\" class=\"mention hashtag\" rel=\"tag\">#<span>markov_chain</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/ycombinator", "name": "#ycombinator" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/clojure", "name": "#clojure" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/refactoring", "name": "#refactoring" }, { "type": "Hashtag", "href": "https://rss-mstdn.studiofreesia.com/tags/markov_chain", "name": "#markov_chain" } ], "replies": { "id": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114513721348029603/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114513721348029603/replies?only_other_accounts=true&page=true", "partOf": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114513721348029603/replies", "items": [] } } }