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" } ], "id": "https://toot.yosh.is/users/yosh/collections/featured", "type": "OrderedCollection", "totalItems": 1, "orderedItems": [ { "id": "https://toot.yosh.is/users/yosh/statuses/114456256899848281", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-05T16:51:20Z", "url": "https://toot.yosh.is/@yosh/114456256899848281", "attributedTo": "https://toot.yosh.is/users/yosh", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://toot.yosh.is/users/yosh/followers" ], "sensitive": false, "atomUri": "https://toot.yosh.is/users/yosh/statuses/114456256899848281", "inReplyToAtomUri": null, "conversation": "tag:toot.yosh.is,2025-05-05:objectId=680944:objectType=Conversation", "content": "<p>New blog post: Automatic Interleaving of High-Level Concurrent Operations</p><p><a href=\"https://blog.yoshuawuyts.com/automatic-interleaving-of-high-level-concurrent-operations/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.yoshuawuyts.com/automatic</span><span class=\"invisible\">-interleaving-of-high-level-concurrent-operations/</span></a></p><p>I wrote a quick post discussing Swift&#39;s `async let` feature, which problems it solves, and what bringing something similar to Rust might look like.</p>", "contentMap": { "en": "<p>New blog post: Automatic Interleaving of High-Level Concurrent Operations</p><p><a href=\"https://blog.yoshuawuyts.com/automatic-interleaving-of-high-level-concurrent-operations/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.yoshuawuyts.com/automatic</span><span class=\"invisible\">-interleaving-of-high-level-concurrent-operations/</span></a></p><p>I wrote a quick post discussing Swift&#39;s `async let` feature, which problems it solves, and what bringing something similar to Rust might look like.</p>" }, "attachment": [], "tag": [], "replies": { "id": "https://toot.yosh.is/users/yosh/statuses/114456256899848281/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://toot.yosh.is/users/yosh/statuses/114456256899848281/replies?min_id=114456557510369402&page=true", "partOf": "https://toot.yosh.is/users/yosh/statuses/114456256899848281/replies", "items": [ "https://toot.yosh.is/users/yosh/statuses/114456557510369402" ] } }, "likes": { "id": "https://toot.yosh.is/users/yosh/statuses/114456256899848281/likes", "type": "Collection", "totalItems": 9 }, "shares": { "id": "https://toot.yosh.is/users/yosh/statuses/114456256899848281/shares", "type": "Collection", "totalItems": 4 } } ] }