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/114495259656543528", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-12T14:10:15Z", "url": "https://mastodon.social/@h4ckernews/114495259656543528", "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/114495259656543528", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-12:objectId=995150559:objectType=Conversation", "content": "<p>Ruby 3.5 Feature: Namespace on read</p><p><a href=\"https://bugs.ruby-lang.org/issues/21311\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">bugs.ruby-lang.org/issues/21311</span><span class=\"invisible\"></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/Ruby\" class=\"mention hashtag\" rel=\"tag\">#<span>Ruby</span></a> #3.5 <a href=\"https://mastodon.social/tags/Namespace\" class=\"mention hashtag\" rel=\"tag\">#<span>Namespace</span></a> <a href=\"https://mastodon.social/tags/RubyFeatures\" class=\"mention hashtag\" rel=\"tag\">#<span>RubyFeatures</span></a> <a href=\"https://mastodon.social/tags/RubyLang\" class=\"mention hashtag\" rel=\"tag\">#<span>RubyLang</span></a> <a href=\"https://mastodon.social/tags/SoftwareDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>SoftwareDevelopment</span></a> <a href=\"https://mastodon.social/tags/ProgrammingNews\" class=\"mention hashtag\" rel=\"tag\">#<span>ProgrammingNews</span></a></p>", "contentMap": { "en": "<p>Ruby 3.5 Feature: Namespace on read</p><p><a href=\"https://bugs.ruby-lang.org/issues/21311\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">bugs.ruby-lang.org/issues/21311</span><span class=\"invisible\"></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/Ruby\" class=\"mention hashtag\" rel=\"tag\">#<span>Ruby</span></a> #3.5 <a href=\"https://mastodon.social/tags/Namespace\" class=\"mention hashtag\" rel=\"tag\">#<span>Namespace</span></a> <a href=\"https://mastodon.social/tags/RubyFeatures\" class=\"mention hashtag\" rel=\"tag\">#<span>RubyFeatures</span></a> <a href=\"https://mastodon.social/tags/RubyLang\" class=\"mention hashtag\" rel=\"tag\">#<span>RubyLang</span></a> <a href=\"https://mastodon.social/tags/SoftwareDevelopment\" class=\"mention hashtag\" rel=\"tag\">#<span>SoftwareDevelopment</span></a> <a href=\"https://mastodon.social/tags/ProgrammingNews\" class=\"mention hashtag\" rel=\"tag\">#<span>ProgrammingNews</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/hackernews", "name": "#hackernews" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ruby", "name": "#ruby" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/namespace", "name": "#namespace" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rubyfeatures", "name": "#rubyfeatures" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rubylang", "name": "#rubylang" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/softwaredevelopment", "name": "#softwaredevelopment" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/programmingnews", "name": "#programmingnews" } ], "replies": { "id": "https://mastodon.social/users/h4ckernews/statuses/114495259656543528/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/h4ckernews/statuses/114495259656543528/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/h4ckernews/statuses/114495259656543528/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/h4ckernews/statuses/114495259656543528/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/h4ckernews/statuses/114495259656543528/shares", "type": "Collection", "totalItems": 1 } }