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.org.uk/users/mkwadee/statuses/114534748582382054", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.org.uk/users/mkwadee/statuses/114534747864374703", "published": "2025-05-19T13:32:48Z", "url": "https://mastodon.org.uk/@mkwadee/114534748582382054", "attributedTo": "https://mastodon.org.uk/users/mkwadee", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.org.uk/users/mkwadee/followers" ], "sensitive": false, "atomUri": "https://mastodon.org.uk/users/mkwadee/statuses/114534748582382054", "inReplyToAtomUri": "https://mastodon.org.uk/users/mkwadee/statuses/114534747864374703", "conversation": "tag:mastodon.org.uk,2025-05-19:objectId=165375091:objectType=Conversation", "content": "<p>One of the interesting properties such a <a href=\"https://mastodon.org.uk/tags/pendulum\" class=\"mention hashtag\" rel=\"tag\">#<span>pendulum</span></a> has is that its <a href=\"https://mastodon.org.uk/tags/Period\" class=\"mention hashtag\" rel=\"tag\">#<span>Period</span></a> is only a function of its length and the strength of gravity, no matter the size of the amplitude of the oscillation.</p>", "contentMap": { "en": "<p>One of the interesting properties such a <a href=\"https://mastodon.org.uk/tags/pendulum\" class=\"mention hashtag\" rel=\"tag\">#<span>pendulum</span></a> has is that its <a href=\"https://mastodon.org.uk/tags/Period\" class=\"mention hashtag\" rel=\"tag\">#<span>Period</span></a> is only a function of its length and the strength of gravity, no matter the size of the amplitude of the oscillation.</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/pendulum", "name": "#pendulum" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/period", "name": "#period" } ], "replies": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534748582382054/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.org.uk/users/mkwadee/statuses/114534748582382054/replies?min_id=114534751542555978&page=true", "partOf": "https://mastodon.org.uk/users/mkwadee/statuses/114534748582382054/replies", "items": [ "https://mastodon.org.uk/users/mkwadee/statuses/114534751542555978" ] } }, "likes": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534748582382054/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534748582382054/shares", "type": "Collection", "totalItems": 1 } }