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.sdf.org/users/ipxfong/statuses/114441675886259598", "type": "Note", "summary": null, "inReplyTo": "https://dobbs.town/users/PopeASDF/statuses/114441168581597756", "published": "2025-05-03T03:03:12Z", "url": "https://mastodon.sdf.org/@ipxfong/114441675886259598", "attributedTo": "https://mastodon.sdf.org/users/ipxfong", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.sdf.org/users/ipxfong/followers", "https://dobbs.town/users/PopeASDF", "https://mastodon.sdf.org/users/stug" ], "sensitive": false, "atomUri": "https://mastodon.sdf.org/users/ipxfong/statuses/114441675886259598", "inReplyToAtomUri": "https://dobbs.town/users/PopeASDF/statuses/114441168581597756", "conversation": "tag:mastodon.sdf.org,2025-05-02:objectId=263015003:objectType=Conversation", "content": "<p><span class=\"h-card\"><a href=\"https://dobbs.town/@PopeASDF\" class=\"u-url mention\">@<span>PopeASDF</span></a></span> <span class=\"h-card\"><a href=\"https://mastodon.sdf.org/@stug\" class=\"u-url mention\">@<span>stug</span></a></span> <br />The Psion actually shares quite a bit of &quot;design language&quot; with the eMate. Maybe your Newtons wouldn&#39;t notice, 😉</p><p><a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/psion\" class=\"mention hashtag\" rel=\"tag\">#<span>psion</span></a> <a href=\"https://mastodon.sdf.org/tags/newton\" class=\"mention hashtag\" rel=\"tag\">#<span>newton</span></a> <a href=\"https://mastodon.sdf.org/tags/applenewton\" class=\"mention hashtag\" rel=\"tag\">#<span>applenewton</span></a></p>", "contentMap": { "en": "<p><span class=\"h-card\"><a href=\"https://dobbs.town/@PopeASDF\" class=\"u-url mention\">@<span>PopeASDF</span></a></span> <span class=\"h-card\"><a href=\"https://mastodon.sdf.org/@stug\" class=\"u-url mention\">@<span>stug</span></a></span> <br />The Psion actually shares quite a bit of &quot;design language&quot; with the eMate. Maybe your Newtons wouldn&#39;t notice, 😉</p><p><a href=\"https://mastodon.sdf.org/tags/retrocomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>retrocomputing</span></a> <a href=\"https://mastodon.sdf.org/tags/psion\" class=\"mention hashtag\" rel=\"tag\">#<span>psion</span></a> <a href=\"https://mastodon.sdf.org/tags/newton\" class=\"mention hashtag\" rel=\"tag\">#<span>newton</span></a> <a href=\"https://mastodon.sdf.org/tags/applenewton\" class=\"mention hashtag\" rel=\"tag\">#<span>applenewton</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.sdf.org/system/media_attachments/files/114/441/660/613/901/486/original/f05f8153eecda1a7.jpeg", "name": "An apple Newton eMate 300 and a Psion netbook pro side by side on the floor.", "blurhash": "ULE.e4~U=vR*R*a}xaayD%IoE2WWIos:ofR+", "focalPoint": [ 0, 0 ], "width": 1249, "height": 1659 } ], "tag": [ { "type": "Mention", "href": "https://dobbs.town/users/PopeASDF", "name": "@PopeASDF@dobbs.town" }, { "type": "Mention", "href": "https://mastodon.sdf.org/users/stug", "name": "@stug" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/psion", "name": "#psion" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/newton", "name": "#newton" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/applenewton", "name": "#applenewton" } ], "replies": { "id": "https://mastodon.sdf.org/users/ipxfong/statuses/114441675886259598/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.sdf.org/users/ipxfong/statuses/114441675886259598/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.sdf.org/users/ipxfong/statuses/114441675886259598/replies", "items": [] } } }