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://mastodon.social/users/cycling_on_rails/statuses/114352656089944174", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/cycling_on_rails/statuses/114352617041729288", "published": "2025-04-17T09:44:18Z", "url": "https://mastodon.social/@cycling_on_rails/114352656089944174", "attributedTo": "https://mastodon.social/users/cycling_on_rails", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/cycling_on_rails/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/cycling_on_rails/statuses/114352656089944174", "inReplyToAtomUri": "https://mastodon.social/users/cycling_on_rails/statuses/114352617041729288", "conversation": "tag:mastodon.social,2025-03-19:objectId=950216819:objectType=Conversation", "content": "<p>To change of technology, there was a large solar plant on the other side of the city.</p><p>We then approached the mountains that we crossed at dusk until we reached Brașov at night. Good that it was the first day of summer time! <a href=\"https://mastodon.social/tags/railway\" class=\"mention hashtag\" rel=\"tag\">#<span>railway</span></a> <a href=\"https://mastodon.social/tags/mountains\" class=\"mention hashtag\" rel=\"tag\">#<span>mountains</span></a> <a href=\"https://mastodon.social/tags/Romania\" class=\"mention hashtag\" rel=\"tag\">#<span>Romania</span></a></p>", "contentMap": { "en": "<p>To change of technology, there was a large solar plant on the other side of the city.</p><p>We then approached the mountains that we crossed at dusk until we reached Brașov at night. Good that it was the first day of summer time! <a href=\"https://mastodon.social/tags/railway\" class=\"mention hashtag\" rel=\"tag\">#<span>railway</span></a> <a href=\"https://mastodon.social/tags/mountains\" class=\"mention hashtag\" rel=\"tag\">#<span>mountains</span></a> <a href=\"https://mastodon.social/tags/Romania\" class=\"mention hashtag\" rel=\"tag\">#<span>Romania</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/352/634/823/565/899/original/dff38b6953f7cd2f.jpg", "name": "Solar panel field.", "blurhash": "U*F~,Xofayof.Aoej[j]R-oJoLj[e,f6j[j[", "width": 3325, "height": 2494 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/352/635/013/271/976/original/d83d3cae48e051a2.jpg", "name": "Mountains and railway track, with some evening light piercing the clouds.", "blurhash": "UvD,cqj=WBWX.AoKayWX%Nj[fkWXoHa}a#a}", "width": 3325, "height": 2494 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/352/635/220/693/746/original/78da8bef128953a5.jpg", "name": "Electrified double-track railway in a mountain valley.", "blurhash": "U,F~:bRiWAj[?wRjWBj[%gj]aej@t7t7azay", "width": 3325, "height": 2494 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/352/635/455/849/605/original/5e49d8ad7f6bfa3b.jpg", "name": "3-track railway at a station in the mountains, with an incoming double-decker train pulled by a red/white locomotive.", "blurhash": "UeC%HtnhNFbc.Ta{n$ofyEkCoLoLx]kCR*f+", "width": 3325, "height": 2494 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/railway", "name": "#railway" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mountains", "name": "#mountains" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/romania", "name": "#romania" } ], "replies": { "id": "https://mastodon.social/users/cycling_on_rails/statuses/114352656089944174/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/cycling_on_rails/statuses/114352656089944174/replies?min_id=114357977754799083&page=true", "partOf": "https://mastodon.social/users/cycling_on_rails/statuses/114352656089944174/replies", "items": [ "https://mastodon.social/users/cycling_on_rails/statuses/114357977754799083" ] } }, "likes": { "id": "https://mastodon.social/users/cycling_on_rails/statuses/114352656089944174/likes", "type": "Collection", "totalItems": 8 }, "shares": { "id": "https://mastodon.social/users/cycling_on_rails/statuses/114352656089944174/shares", "type": "Collection", "totalItems": 2 } }