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.gamedev.place/users/alice_i_cecile/statuses/114775052165424331", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775051805252736", "published": "2025-07-01T00:05:10Z", "url": "https://mastodon.gamedev.place/@alice_i_cecile/114775052165424331", "attributedTo": "https://mastodon.gamedev.place/users/alice_i_cecile", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.gamedev.place/users/alice_i_cecile/followers" ], "sensitive": false, "atomUri": "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775052165424331", "inReplyToAtomUri": "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775051805252736", "conversation": "tag:mastodon.gamedev.place,2025-07-01:objectId=157897239:objectType=Conversation", "content": "<p>I think I&#39;m happy with the core design, and there&#39;s some real neat macro_rules <a href=\"https://mastodon.gamedev.place/tags/rust\" class=\"mention hashtag\" rel=\"tag\">#<span>rust</span></a> wizardry in the test to prevent copy-paste errors. That said, I want better guidance on when to use these unit structs vs the existing EaseFunction approach. Requesting changes: more docs (shocking, I know).</p>", "contentMap": { "en": "<p>I think I&#39;m happy with the core design, and there&#39;s some real neat macro_rules <a href=\"https://mastodon.gamedev.place/tags/rust\" class=\"mention hashtag\" rel=\"tag\">#<span>rust</span></a> wizardry in the test to prevent copy-paste errors. That said, I want better guidance on when to use these unit structs vs the existing EaseFunction approach. Requesting changes: more docs (shocking, I know).</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.gamedev.place/tags/rust", "name": "#rust" } ], "replies": { "id": "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775052165424331/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775052165424331/replies?min_id=114775052509042871&page=true", "partOf": "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775052165424331/replies", "items": [ "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775052509042871" ] } }, "likes": { "id": "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775052165424331/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mastodon.gamedev.place/users/alice_i_cecile/statuses/114775052165424331/shares", "type": "Collection", "totalItems": 0 } }