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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://chaos.social/users/uliwitness/statuses/114663894588484260", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-11T08:56:20Z", "url": "https://chaos.social/@uliwitness/114663894588484260", "attributedTo": "https://chaos.social/users/uliwitness", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://chaos.social/users/uliwitness/followers" ], "sensitive": false, "atomUri": "https://chaos.social/users/uliwitness/statuses/114663894588484260", "inReplyToAtomUri": null, "conversation": "tag:chaos.social,2025-06-11:objectId=278104163:objectType=Conversation", "content": "<p>Some nice additions for annotating C++ code to make it import better into Swift:</p><p><a href=\"https://developer.apple.com/videos/play/wwdc2025/311\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">developer.apple.com/videos/pla</span><span class=\"invisible\">y/wwdc2025/311</span></a></p><p><a href=\"https://chaos.social/tags/CPlusPlus\" class=\"mention hashtag\" rel=\"tag\">#<span>CPlusPlus</span></a> <a href=\"https://chaos.social/tags/cpp\" class=\"mention hashtag\" rel=\"tag\">#<span>cpp</span></a> <a href=\"https://chaos.social/tags/cxx\" class=\"mention hashtag\" rel=\"tag\">#<span>cxx</span></a> <a href=\"https://chaos.social/tags/swiftlang\" class=\"mention hashtag\" rel=\"tag\">#<span>swiftlang</span></a></p>", "contentMap": { "en": "<p>Some nice additions for annotating C++ code to make it import better into Swift:</p><p><a href=\"https://developer.apple.com/videos/play/wwdc2025/311\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">developer.apple.com/videos/pla</span><span class=\"invisible\">y/wwdc2025/311</span></a></p><p><a href=\"https://chaos.social/tags/CPlusPlus\" class=\"mention hashtag\" rel=\"tag\">#<span>CPlusPlus</span></a> <a href=\"https://chaos.social/tags/cpp\" class=\"mention hashtag\" rel=\"tag\">#<span>cpp</span></a> <a href=\"https://chaos.social/tags/cxx\" class=\"mention hashtag\" rel=\"tag\">#<span>cxx</span></a> <a href=\"https://chaos.social/tags/swiftlang\" class=\"mention hashtag\" rel=\"tag\">#<span>swiftlang</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://assets.chaos.social/media_attachments/files/114/663/894/121/223/819/original/1e27f115d6c2519c.png", "name": "A table describing the new __counted_by(n), __noescape and __lifetimebound annotations in Apple's clang and Swift's C parser.", "blurhash": "U4RW0bWB-;xuWBD%j[xu-;IUM{t700WBxuof", "width": 1282, "height": 720 }, { "type": "Document", "mediaType": "image/png", "url": "https://assets.chaos.social/media_attachments/files/114/663/894/383/722/021/original/5c9eeecf6d8b215f.png", "name": "A table summarizing the SWIFT_NONESCAPABLE and SWIFT_SHARED_REFERENCE annotations in Apple's clang/Swift's C parser.", "blurhash": "U2RfkBIU%M-;D%D%j[%M~X9FM{%M9FD%ofxu", "width": 1276, "height": 720 } ], "tag": [ { "type": "Hashtag", "href": "https://chaos.social/tags/cplusplus", "name": "#cplusplus" }, { "type": "Hashtag", "href": "https://chaos.social/tags/cpp", "name": "#cpp" }, { "type": "Hashtag", "href": "https://chaos.social/tags/cxx", "name": "#cxx" }, { "type": "Hashtag", "href": "https://chaos.social/tags/swiftlang", "name": "#swiftlang" } ], "replies": { "id": "https://chaos.social/users/uliwitness/statuses/114663894588484260/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://chaos.social/users/uliwitness/statuses/114663894588484260/replies?only_other_accounts=true&page=true", "partOf": "https://chaos.social/users/uliwitness/statuses/114663894588484260/replies", "items": [] } }, "likes": { "id": "https://chaos.social/users/uliwitness/statuses/114663894588484260/likes", "type": "Collection", "totalItems": 11 }, "shares": { "id": "https://chaos.social/users/uliwitness/statuses/114663894588484260/shares", "type": "Collection", "totalItems": 3 } }