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.social/users/h4ckernews/statuses/114388545872248608", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-23T17:51:32Z", "url": "https://mastodon.social/@h4ckernews/114388545872248608", "attributedTo": "https://mastodon.social/users/h4ckernews", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/h4ckernews/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/h4ckernews/statuses/114388545872248608", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-23:objectId=979621248:objectType=Conversation", "content": "<p>Graphics Livecoding in Common Lisp</p><p><a href=\"https://kevingal.com/blog/cl-livecoding.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">kevingal.com/blog/cl-livecodin</span><span class=\"invisible\">g.html</span></a></p><p><a href=\"https://mastodon.social/tags/HackerNews\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerNews</span></a> <a href=\"https://mastodon.social/tags/Graphics\" class=\"mention hashtag\" rel=\"tag\">#<span>Graphics</span></a> <a href=\"https://mastodon.social/tags/Livecoding\" class=\"mention hashtag\" rel=\"tag\">#<span>Livecoding</span></a> <a href=\"https://mastodon.social/tags/in\" class=\"mention hashtag\" rel=\"tag\">#<span>in</span></a> <a href=\"https://mastodon.social/tags/Common\" class=\"mention hashtag\" rel=\"tag\">#<span>Common</span></a> <a href=\"https://mastodon.social/tags/Lisp\" class=\"mention hashtag\" rel=\"tag\">#<span>Lisp</span></a></p><p>livecoding <a href=\"https://mastodon.social/tags/CommonLisp\" class=\"mention hashtag\" rel=\"tag\">#<span>CommonLisp</span></a> <a href=\"https://mastodon.social/tags/graphics\" class=\"mention hashtag\" rel=\"tag\">#<span>graphics</span></a> <a href=\"https://mastodon.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://mastodon.social/tags/creativity\" class=\"mention hashtag\" rel=\"tag\">#<span>creativity</span></a></p>", "contentMap": { "en": "<p>Graphics Livecoding in Common Lisp</p><p><a href=\"https://kevingal.com/blog/cl-livecoding.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">kevingal.com/blog/cl-livecodin</span><span class=\"invisible\">g.html</span></a></p><p><a href=\"https://mastodon.social/tags/HackerNews\" class=\"mention hashtag\" rel=\"tag\">#<span>HackerNews</span></a> <a href=\"https://mastodon.social/tags/Graphics\" class=\"mention hashtag\" rel=\"tag\">#<span>Graphics</span></a> <a href=\"https://mastodon.social/tags/Livecoding\" class=\"mention hashtag\" rel=\"tag\">#<span>Livecoding</span></a> <a href=\"https://mastodon.social/tags/in\" class=\"mention hashtag\" rel=\"tag\">#<span>in</span></a> <a href=\"https://mastodon.social/tags/Common\" class=\"mention hashtag\" rel=\"tag\">#<span>Common</span></a> <a href=\"https://mastodon.social/tags/Lisp\" class=\"mention hashtag\" rel=\"tag\">#<span>Lisp</span></a></p><p>livecoding <a href=\"https://mastodon.social/tags/CommonLisp\" class=\"mention hashtag\" rel=\"tag\">#<span>CommonLisp</span></a> <a href=\"https://mastodon.social/tags/graphics\" class=\"mention hashtag\" rel=\"tag\">#<span>graphics</span></a> <a href=\"https://mastodon.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://mastodon.social/tags/creativity\" class=\"mention hashtag\" rel=\"tag\">#<span>creativity</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/hackernews", "name": "#hackernews" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/graphics", "name": "#graphics" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/livecoding", "name": "#livecoding" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/in", "name": "#in" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/common", "name": "#common" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/lisp", "name": "#lisp" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/commonlisp", "name": "#commonlisp" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/programming", "name": "#programming" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/creativity", "name": "#creativity" } ], "replies": { "id": "https://mastodon.social/users/h4ckernews/statuses/114388545872248608/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/h4ckernews/statuses/114388545872248608/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/h4ckernews/statuses/114388545872248608/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/h4ckernews/statuses/114388545872248608/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mastodon.social/users/h4ckernews/statuses/114388545872248608/shares", "type": "Collection", "totalItems": 1 } }