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/114534752786065617", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.org.uk/users/mkwadee/statuses/114534751542555978", "published": "2025-05-19T13:33:53Z", "url": "https://mastodon.org.uk/@mkwadee/114534752786065617", "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/114534752786065617", "inReplyToAtomUri": "https://mastodon.org.uk/users/mkwadee/statuses/114534751542555978", "conversation": "tag:mastodon.org.uk,2025-05-19:objectId=165375091:objectType=Conversation", "content": "<p>Of course this was known to many famous <a href=\"https://mastodon.org.uk/tags/mathematicians\" class=\"mention hashtag\" rel=\"tag\">#<span>mathematicians</span></a>, like <a href=\"https://mastodon.org.uk/tags/Euler\" class=\"mention hashtag\" rel=\"tag\">#<span>Euler</span></a> and <a href=\"https://mastodon.org.uk/tags/Jacobi\" class=\"mention hashtag\" rel=\"tag\">#<span>Jacobi</span></a> and they solved the equations in terms of <a href=\"https://mastodon.org.uk/tags/EllipticIntegrals\" class=\"mention hashtag\" rel=\"tag\">#<span>EllipticIntegrals</span></a>. I find it satisfying to be able to visualize the <a href=\"https://mastodon.org.uk/tags/dynamics\" class=\"mention hashtag\" rel=\"tag\">#<span>dynamics</span></a> of the this system, using <a href=\"https://mastodon.org.uk/tags/FreeSoftware\" class=\"mention hashtag\" rel=\"tag\">#<span>FreeSoftware</span></a>, such as <a href=\"https://mastodon.org.uk/tags/WxMaxima\" class=\"mention hashtag\" rel=\"tag\">#<span>WxMaxima</span></a>.</p>", "contentMap": { "en": "<p>Of course this was known to many famous <a href=\"https://mastodon.org.uk/tags/mathematicians\" class=\"mention hashtag\" rel=\"tag\">#<span>mathematicians</span></a>, like <a href=\"https://mastodon.org.uk/tags/Euler\" class=\"mention hashtag\" rel=\"tag\">#<span>Euler</span></a> and <a href=\"https://mastodon.org.uk/tags/Jacobi\" class=\"mention hashtag\" rel=\"tag\">#<span>Jacobi</span></a> and they solved the equations in terms of <a href=\"https://mastodon.org.uk/tags/EllipticIntegrals\" class=\"mention hashtag\" rel=\"tag\">#<span>EllipticIntegrals</span></a>. I find it satisfying to be able to visualize the <a href=\"https://mastodon.org.uk/tags/dynamics\" class=\"mention hashtag\" rel=\"tag\">#<span>dynamics</span></a> of the this system, using <a href=\"https://mastodon.org.uk/tags/FreeSoftware\" class=\"mention hashtag\" rel=\"tag\">#<span>FreeSoftware</span></a>, such as <a href=\"https://mastodon.org.uk/tags/WxMaxima\" class=\"mention hashtag\" rel=\"tag\">#<span>WxMaxima</span></a>.</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/mathematicians", "name": "#mathematicians" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/euler", "name": "#euler" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/jacobi", "name": "#jacobi" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/ellipticintegrals", "name": "#ellipticintegrals" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/dynamics", "name": "#dynamics" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/freesoftware", "name": "#freesoftware" }, { "type": "Hashtag", "href": "https://mastodon.org.uk/tags/wxmaxima", "name": "#wxmaxima" } ], "replies": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534752786065617/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.org.uk/users/mkwadee/statuses/114534752786065617/replies?min_id=114534760982879078&page=true", "partOf": "https://mastodon.org.uk/users/mkwadee/statuses/114534752786065617/replies", "items": [ "https://mastodon.org.uk/users/mkwadee/statuses/114534760982879078" ] } }, "likes": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534752786065617/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mastodon.org.uk/users/mkwadee/statuses/114534752786065617/shares", "type": "Collection", "totalItems": 2 } }