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://mas.to/users/jamesholden/statuses/114395427465430688", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-24T23:01:37Z", "url": "https://mas.to/@jamesholden/114395427465430688", "attributedTo": "https://mas.to/users/jamesholden", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/jamesholden/followers" ], "sensitive": false, "atomUri": "https://mas.to/users/jamesholden/statuses/114395427465430688", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-04-24:objectId=483443024:objectType=Conversation", "content": "<p>Look! A <a href=\"https://mas.to/tags/silicongraphics\" class=\"mention hashtag\" rel=\"tag\">#<span>silicongraphics</span></a> Indy in Black Mirror Plaything! <a href=\"https://mas.to/tags/sgi\" class=\"mention hashtag\" rel=\"tag\">#<span>sgi</span></a> <a href=\"https://mas.to/tags/vintagecomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>vintagecomputing</span></a> <a href=\"https://mas.to/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mas.to/tags/unix\" class=\"mention hashtag\" rel=\"tag\">#<span>unix</span></a></p>", "contentMap": { "en": "<p>Look! A <a href=\"https://mas.to/tags/silicongraphics\" class=\"mention hashtag\" rel=\"tag\">#<span>silicongraphics</span></a> Indy in Black Mirror Plaything! <a href=\"https://mas.to/tags/sgi\" class=\"mention hashtag\" rel=\"tag\">#<span>sgi</span></a> <a href=\"https://mas.to/tags/vintagecomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>vintagecomputing</span></a> <a href=\"https://mas.to/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mas.to/tags/unix\" class=\"mention hashtag\" rel=\"tag\">#<span>unix</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mas.to/media_attachments/files/114/395/419/158/697/740/original/d4128068e0dab5be.png", "name": "A screen grab from Black Mirror Plaything showing the main character looking at a computer game on a screen, with a SGI Indy in the background.", "blurhash": "UEDlc%n655Q.?C9u-:n5HXEMTcai4:X8xas;", "width": 1536, "height": 1153 } ], "tag": [ { "type": "Hashtag", "href": "https://mas.to/tags/unix", "name": "#unix" }, { "type": "Hashtag", "href": "https://mas.to/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://mas.to/tags/vintagecomputing", "name": "#vintagecomputing" }, { "type": "Hashtag", "href": "https://mas.to/tags/sgi", "name": "#sgi" }, { "type": "Hashtag", "href": "https://mas.to/tags/silicongraphics", "name": "#silicongraphics" } ], "replies": { "id": "https://mas.to/users/jamesholden/statuses/114395427465430688/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/jamesholden/statuses/114395427465430688/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/jamesholden/statuses/114395427465430688/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/jamesholden/statuses/114395427465430688/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mas.to/users/jamesholden/statuses/114395427465430688/shares", "type": "Collection", "totalItems": 0 } }