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", "litepub": "http://litepub.social/ns#", "directMessage": "litepub:directMessage", "Hashtag": "as:Hashtag" } ], "id": "https://infosec.exchange/users/darkuncle/statuses/114673483609287787", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-13T01:34:57Z", "url": "https://infosec.exchange/@darkuncle/114673483609287787", "attributedTo": "https://infosec.exchange/users/darkuncle", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://infosec.exchange/users/darkuncle/followers" ], "sensitive": false, "atomUri": "https://infosec.exchange/users/darkuncle/statuses/114673483609287787", "inReplyToAtomUri": null, "conversation": "tag:infosec.exchange,2025-06-13:objectId=280779303:objectType=Conversation", "content": "<p>&quot;But Scott, what actually useful stuff could we do with <a href=\"https://infosec.exchange/tags/quantum\" class=\"mention hashtag\" rel=\"tag\">#<span>quantum</span></a> computers?”<br />“How about optimized breast cancer diagnoses?”</p><p><a href=\"https://www.nature.com/articles/s41598-025-05014-z\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">nature.com/articles/s41598-025</span><span class=\"invisible\">-05014-z</span></a></p>", "contentMap": { "en": "<p>&quot;But Scott, what actually useful stuff could we do with <a href=\"https://infosec.exchange/tags/quantum\" class=\"mention hashtag\" rel=\"tag\">#<span>quantum</span></a> computers?”<br />“How about optimized breast cancer diagnoses?”</p><p><a href=\"https://www.nature.com/articles/s41598-025-05014-z\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">nature.com/articles/s41598-025</span><span class=\"invisible\">-05014-z</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://infosec.exchange/tags/quantum", "name": "#quantum" } ], "replies": { "id": "https://infosec.exchange/users/darkuncle/statuses/114673483609287787/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://infosec.exchange/users/darkuncle/statuses/114673483609287787/replies?min_id=114673553409709433&page=true", "partOf": "https://infosec.exchange/users/darkuncle/statuses/114673483609287787/replies", "items": [ "https://infosec.exchange/users/darkuncle/statuses/114673553409709433" ] } }, "likes": { "id": "https://infosec.exchange/users/darkuncle/statuses/114673483609287787/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://infosec.exchange/users/darkuncle/statuses/114673483609287787/shares", "type": "Collection", "totalItems": 1 } }