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/114452644889532951", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-05T01:32:46Z", "url": "https://mastodon.cc/@aaronm/114452644889532951", "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/bookhistodons", "https://a.gup.pe/u/bookhistodons/followers", "https://a.gup.pe/u/medievodons", "https://a.gup.pe/u/medievodons/followers" ], "sensitive": false, "atomUri": "https://mastodon.cc/users/aaronm/statuses/114452644889532951", "inReplyToAtomUri": null, "conversation": "tag:mastodon.cc,2025-05-05:objectId=30573111:objectType=Conversation", "content": "<p>No new pope yet, but the work digitizing <a href=\"https://mastodon.cc/tags/Vatican\" class=\"mention hashtag\" rel=\"tag\">#<span>Vatican</span></a> <a href=\"https://mastodon.cc/tags/Manuscripts\" class=\"mention hashtag\" rel=\"tag\">#<span>Manuscripts</span></a> continues with 28 new manuscripts last week<br /><a href=\"https://www.wiglaf.org/vatican/2025/week18.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">wiglaf.org/vatican/2025/week18</span><span class=\"invisible\">.html</span></a><br />Includes a 14th C Codex of Justinian, two Bussulas, some polyphonic masses, Aesop, a Demosthenes translated by Bruni (autograph?) and more!<br /><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> <span class=\"h-card\" translate=\"no\"><a href=\"https://a.gup.pe/u/bookhistodons\" class=\"u-url mention\">@<span>bookhistodons</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://a.gup.pe/u/medievodons\" class=\"u-url mention\">@<span>medievodons</span></a></span></p>", "contentMap": { "en": "<p>No new pope yet, but the work digitizing <a href=\"https://mastodon.cc/tags/Vatican\" class=\"mention hashtag\" rel=\"tag\">#<span>Vatican</span></a> <a href=\"https://mastodon.cc/tags/Manuscripts\" class=\"mention hashtag\" rel=\"tag\">#<span>Manuscripts</span></a> continues with 28 new manuscripts last week<br /><a href=\"https://www.wiglaf.org/vatican/2025/week18.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">wiglaf.org/vatican/2025/week18</span><span class=\"invisible\">.html</span></a><br />Includes a 14th C Codex of Justinian, two Bussulas, some polyphonic masses, Aesop, a Demosthenes translated by Bruni (autograph?) and more!<br /><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> <span class=\"h-card\" translate=\"no\"><a href=\"https://a.gup.pe/u/bookhistodons\" class=\"u-url mention\">@<span>bookhistodons</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://a.gup.pe/u/medievodons\" class=\"u-url mention\">@<span>medievodons</span></a></span></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.cc/system/media_attachments/files/114/452/627/979/529/602/original/971d6f062accd18b.jpg", "name": "f.2r from vat.lat.11286. A page of c. 1600 italian cursive text", "blurhash": "UBNmQEV=~qjDIUt7oyWB%gt7Rjayf5WBkCf6", "focalPoint": [ 0, 0 ], "width": 1619, "height": 2192 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.cc/system/media_attachments/files/114/452/628/036/732/899/original/6aa80726e193a786.jpg", "name": "f.16v Vat.lat.11153. A page of gothic text in two columns. Each column has an inner column towards the center gutter, with the main text, and an outer frame with commentary. In the left inner column there is a small miniature of a Roman emperor", "blurhash": "UBM%ZL-p-:^+4:xuxtt7~VR+M|WCt2WBIoay", "focalPoint": [ 0.04, 0.38 ], "width": 2028, "height": 3296 } ], "tag": [ { "type": "Mention", "href": "https://a.gup.pe/u/bookhistodons", "name": "@bookhistodons@a.gup.pe" }, { "type": "Mention", "href": "https://a.gup.pe/u/medievodons", "name": "@medievodons@a.gup.pe" }, { "type": "Hashtag", "href": "https://mastodon.cc/tags/vatican", "name": "#vatican" }, { "type": "Hashtag", "href": "https://mastodon.cc/tags/manuscripts", "name": "#manuscripts" }, { "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/114452644889532951/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.cc/users/aaronm/statuses/114452644889532951/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.cc/users/aaronm/statuses/114452644889532951/replies", "items": [] } }, "likes": { "id": "https://mastodon.cc/users/aaronm/statuses/114452644889532951/likes", "type": "Collection", "totalItems": 13 }, "shares": { "id": "https://mastodon.cc/users/aaronm/statuses/114452644889532951/shares", "type": "Collection", "totalItems": 12 } }