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.social/users/ulaulaman/statuses/113997371263449465", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-02-13T15:50:41Z", "url": "https://mastodon.social/@ulaulaman/113997371263449465", "attributedTo": "https://mastodon.social/users/ulaulaman", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/ulaulaman/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/ulaulaman/statuses/113997371263449465", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-02-13:objectId=920307747:objectType=Conversation", "content": "<p>Speedy stars point to intermediate-mass black hole in globular cluster</p><p><a href=\"https://physicsworld.com/a/speedy-stars-point-to-intermediate-mass-black-hole-in-globular-cluster/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">physicsworld.com/a/speedy-star</span><span class=\"invisible\">s-point-to-intermediate-mass-black-hole-in-globular-cluster/</span></a></p><p>Hubble observation is best evidence yet for an elusive class of black holes</p><p><a href=\"https://mastodon.social/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.social/tags/globularcluster\" class=\"mention hashtag\" rel=\"tag\">#<span>globularcluster</span></a> <a href=\"https://mastodon.social/tags/blackhole\" class=\"mention hashtag\" rel=\"tag\">#<span>blackhole</span></a> <a href=\"https://mastodon.social/tags/Hubble\" class=\"mention hashtag\" rel=\"tag\">#<span>Hubble</span></a></p>", "contentMap": { "en": "<p>Speedy stars point to intermediate-mass black hole in globular cluster</p><p><a href=\"https://physicsworld.com/a/speedy-stars-point-to-intermediate-mass-black-hole-in-globular-cluster/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">physicsworld.com/a/speedy-star</span><span class=\"invisible\">s-point-to-intermediate-mass-black-hole-in-globular-cluster/</span></a></p><p>Hubble observation is best evidence yet for an elusive class of black holes</p><p><a href=\"https://mastodon.social/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.social/tags/globularcluster\" class=\"mention hashtag\" rel=\"tag\">#<span>globularcluster</span></a> <a href=\"https://mastodon.social/tags/blackhole\" class=\"mention hashtag\" rel=\"tag\">#<span>blackhole</span></a> <a href=\"https://mastodon.social/tags/Hubble\" class=\"mention hashtag\" rel=\"tag\">#<span>Hubble</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/astronomy", "name": "#astronomy" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/globularcluster", "name": "#globularcluster" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/blackhole", "name": "#blackhole" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/hubble", "name": "#hubble" } ], "replies": { "id": "https://mastodon.social/users/ulaulaman/statuses/113997371263449465/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/ulaulaman/statuses/113997371263449465/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/ulaulaman/statuses/113997371263449465/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/ulaulaman/statuses/113997371263449465/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/ulaulaman/statuses/113997371263449465/shares", "type": "Collection", "totalItems": 1 } }