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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://sciencemastodon.com/users/freyablekman/statuses/114553463181513765", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-22T20:52:11Z", "url": "https://sciencemastodon.com/@freyablekman/114553463181513765", "attributedTo": "https://sciencemastodon.com/users/freyablekman", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://sciencemastodon.com/users/freyablekman/followers" ], "sensitive": false, "atomUri": "https://sciencemastodon.com/users/freyablekman/statuses/114553463181513765", "inReplyToAtomUri": null, "conversation": "tag:sciencemastodon.com,2025-05-22:objectId=34442607:objectType=Conversation", "content": "<p>One of the amazing things of doing <a href=\"https://sciencemastodon.com/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://sciencemastodon.com/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a> &amp; <a href=\"https://sciencemastodon.com/tags/mathemarics\" class=\"mention hashtag\" rel=\"tag\">#<span>mathemarics</span></a> in Hamburg is the <a href=\"https://sciencemastodon.com/tags/DFG\" class=\"mention hashtag\" rel=\"tag\">#<span>DFG</span></a> cluster of Excellence Quantum Universe. And we just found out we can continue doing our excellent work 🥳🤩</p><p>I’m in Vienna at FCC week and celebrating with colleagues from elsewhere in Germany(cluster also renewed) </p><p>Whoooohooo!</p>", "contentMap": { "en": "<p>One of the amazing things of doing <a href=\"https://sciencemastodon.com/tags/physics\" class=\"mention hashtag\" rel=\"tag\">#<span>physics</span></a> <a href=\"https://sciencemastodon.com/tags/Astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>Astronomy</span></a> &amp; <a href=\"https://sciencemastodon.com/tags/mathemarics\" class=\"mention hashtag\" rel=\"tag\">#<span>mathemarics</span></a> in Hamburg is the <a href=\"https://sciencemastodon.com/tags/DFG\" class=\"mention hashtag\" rel=\"tag\">#<span>DFG</span></a> cluster of Excellence Quantum Universe. And we just found out we can continue doing our excellent work 🥳🤩</p><p>I’m in Vienna at FCC week and celebrating with colleagues from elsewhere in Germany(cluster also renewed) </p><p>Whoooohooo!</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://cdn.masto.host/sciencemastodoncom/media_attachments/files/114/553/461/955/586/333/original/baa442ea7c4acd4e.png", "name": "Freya and colleagues celebrate ", "blurhash": "UTGk5xX9%1aL~WNyt6Rk-;%2t7WXO?o#ofof", "width": 1152, "height": 1536 } ], "tag": [ { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/physics", "name": "#physics" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/Astronomy", "name": "#Astronomy" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/mathemarics", "name": "#mathemarics" }, { "type": "Hashtag", "href": "https://sciencemastodon.com/tags/dfg", "name": "#dfg" } ], "replies": { "id": "https://sciencemastodon.com/users/freyablekman/statuses/114553463181513765/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://sciencemastodon.com/users/freyablekman/statuses/114553463181513765/replies?only_other_accounts=true&page=true", "partOf": "https://sciencemastodon.com/users/freyablekman/statuses/114553463181513765/replies", "items": [] } }, "likes": { "id": "https://sciencemastodon.com/users/freyablekman/statuses/114553463181513765/likes", "type": "Collection", "totalItems": 8 }, "shares": { "id": "https://sciencemastodon.com/users/freyablekman/statuses/114553463181513765/shares", "type": "Collection", "totalItems": 3 } }