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.

Open in browser →
{ "@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.cc/users/aaronm/statuses/114213373493816977", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-23T19:22:54Z", "url": "https://mastodon.cc/@aaronm/114213373493816977", "attributedTo": "https://mastodon.cc/users/aaronm", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.cc/users/aaronm/followers", "https://a.gup.pe/u/medievodons", "https://a.gup.pe/u/medievodons/followers", "https://a.gup.pe/u/bookhistodons", "https://a.gup.pe/u/bookhistodons/followers" ], "sensitive": false, "atomUri": "https://mastodon.cc/users/aaronm/statuses/114213373493816977", "inReplyToAtomUri": null, "conversation": "tag:mastodon.cc,2025-03-23:objectId=29431507:objectType=Conversation", "content": "<p>Only 22 <a href=\"https://mastodon.cc/tags/Manuscripts\" class=\"mention hashtag\" rel=\"tag\">#<span>Manuscripts</span></a> from the <a href=\"https://mastodon.cc/tags/Vatican\" class=\"mention hashtag\" rel=\"tag\">#<span>Vatican</span></a> this past week <a href=\"https://www.wiglaf.org/vatican/2025/week12.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">wiglaf.org/vatican/2025/week12</span><span class=\"invisible\">.html</span></a><br />Mostly 17th C Papal stuff and Ethiopic liturgy, but also a few 15th C copies of classical Latin authors<br /><span class=\"h-card\" translate=\"no\"><a href=\"https://a.gup.pe/u/medievodons\" class=\"u-url mention\">@<span>medievodons</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://a.gup.pe/u/bookhistodons\" class=\"u-url mention\">@<span>bookhistodons</span></a></span> <a href=\"https://mastodon.cc/tags/Medieval\" class=\"mention hashtag\" rel=\"tag\">#<span>Medieval</span></a> <a href=\"https://mastodon.cc/tags/Medievodons\" class=\"mention hashtag\" rel=\"tag\">#<span>Medievodons</span></a></p>", "contentMap": { "en": "<p>Only 22 <a href=\"https://mastodon.cc/tags/Manuscripts\" class=\"mention hashtag\" rel=\"tag\">#<span>Manuscripts</span></a> from the <a href=\"https://mastodon.cc/tags/Vatican\" class=\"mention hashtag\" rel=\"tag\">#<span>Vatican</span></a> this past week <a href=\"https://www.wiglaf.org/vatican/2025/week12.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">wiglaf.org/vatican/2025/week12</span><span class=\"invisible\">.html</span></a><br />Mostly 17th C Papal stuff and Ethiopic liturgy, but also a few 15th C copies of classical Latin authors<br /><span class=\"h-card\" translate=\"no\"><a href=\"https://a.gup.pe/u/medievodons\" class=\"u-url mention\">@<span>medievodons</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://a.gup.pe/u/bookhistodons\" class=\"u-url mention\">@<span>bookhistodons</span></a></span> <a href=\"https://mastodon.cc/tags/Medieval\" class=\"mention hashtag\" rel=\"tag\">#<span>Medieval</span></a> <a href=\"https://mastodon.cc/tags/Medievodons\" class=\"mention hashtag\" rel=\"tag\">#<span>Medievodons</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.cc/system/media_attachments/files/114/213/365/268/487/650/original/777e56167e08e262.jpg", "name": "A page of ethiopic text, in back ink in a single column, from p.8 of Comb.B.18. The lines are very wavey going across the page", "blurhash": "U4Nv-lxv~A?bs8xaV?bI?GW?NIIpI8t7oHax", "focalPoint": [ 0, 0 ], "width": 765, "height": 1123 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.cc/system/media_attachments/files/114/213/365/290/397/730/original/61b0d6866c76f857.jpg", "name": "a page of Horace's epistles from Ott.lat.1169, f.2r. There is a single column of 15th C hand, with red ink hightened initials to start each line. There are a few interlinear notes and a lot of notes, including one block shaped like an hourglass, in the right margin", "blurhash": "U4Oy@C-;Rk_N9IR-xuRPVrxtS6j]Sj%gj?of", "focalPoint": [ 0, 0 ], "width": 1187, "height": 1689 } ], "tag": [ { "type": "Mention", "href": "https://a.gup.pe/u/medievodons", "name": "@medievodons@a.gup.pe" }, { "type": "Mention", "href": "https://a.gup.pe/u/bookhistodons", "name": "@bookhistodons@a.gup.pe" }, { "type": "Hashtag", "href": "https://mastodon.cc/tags/manuscripts", "name": "#manuscripts" }, { "type": "Hashtag", "href": "https://mastodon.cc/tags/vatican", "name": "#vatican" }, { "type": "Hashtag", "href": "https://mastodon.cc/tags/medieval", "name": "#medieval" }, { "type": "Hashtag", "href": "https://mastodon.cc/tags/medievodons", "name": "#medievodons" } ], "replies": { "id": "https://mastodon.cc/users/aaronm/statuses/114213373493816977/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.cc/users/aaronm/statuses/114213373493816977/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.cc/users/aaronm/statuses/114213373493816977/replies", "items": [] } }, "likes": { "id": "https://mastodon.cc/users/aaronm/statuses/114213373493816977/likes", "type": "Collection", "totalItems": 5 }, "shares": { "id": "https://mastodon.cc/users/aaronm/statuses/114213373493816977/shares", "type": "Collection", "totalItems": 6 } }