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://mastodon.chuggybumba.com/users/thanius/statuses/114631365627436087", "type": "Note", "summary": null, "inReplyTo": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721", "published": "2025-06-05T15:03:48Z", "url": "https://mastodon.chuggybumba.com/@thanius/114631365627436087", "attributedTo": "https://mastodon.chuggybumba.com/users/thanius", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.chuggybumba.com/users/thanius/followers", "https://nondeterministic.computer/users/mjg59" ], "sensitive": false, "atomUri": "https://mastodon.chuggybumba.com/users/thanius/statuses/114631365627436087", "inReplyToAtomUri": "https://nondeterministic.computer/users/mjg59/statuses/114630455502269721", "conversation": "tag:nondeterministic.computer,2025-06-05:objectId=10328370:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://nondeterministic.computer/@mjg59\" class=\"u-url mention\">@<span>mjg59</span></a></span> Signal is still centralized though. I would use Signal if I could roll my own server.</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://nondeterministic.computer/@mjg59\" class=\"u-url mention\">@<span>mjg59</span></a></span> Signal is still centralized though. I would use Signal if I could roll my own server.</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://nondeterministic.computer/users/mjg59", "name": "@mjg59@nondeterministic.computer" } ], "replies": { "id": "https://mastodon.chuggybumba.com/users/thanius/statuses/114631365627436087/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.chuggybumba.com/users/thanius/statuses/114631365627436087/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.chuggybumba.com/users/thanius/statuses/114631365627436087/replies", "items": [] } }, "likes": { "id": "https://mastodon.chuggybumba.com/users/thanius/statuses/114631365627436087/likes", "type": "Collection", "totalItems": 5 }, "shares": { "id": "https://mastodon.chuggybumba.com/users/thanius/statuses/114631365627436087/shares", "type": "Collection", "totalItems": 0 } }