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.linkerror.com/users/jns/collections/featured", "type": "OrderedCollection", "totalItems": 4, "orderedItems": [ { "id": "https://mastodon.linkerror.com/users/jns/statuses/114111619181884675", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-05T20:05:26Z", "url": "https://mastodon.linkerror.com/@jns/114111619181884675", "attributedTo": "https://mastodon.linkerror.com/users/jns", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.linkerror.com/users/jns/followers" ], "sensitive": false, "atomUri": "https://mastodon.linkerror.com/users/jns/statuses/114111619181884675", "inReplyToAtomUri": null, "conversation": "tag:mastodon.linkerror.com,2025-03-05:objectId=3420267:objectType=Conversation", "content": "", "contentMap": { "en": "" }, "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://mastodon.linkerror.com/system/media_attachments/files/114/111/614/144/688/608/original/47f1f43a80737b97.mp4", "name": "I will not be pushed,\nfiled, stamped\nindexed,\nbriefed, debriefed\nOr numbered!\n\nMy life is my own.", "blurhash": "U00000fQfQfQfQfQfQfQfQfQfQfQfQfQfQfQ", "focalPoint": [ 0, 0 ], "width": 1280, "height": 720 } ], "tag": [], "replies": { "id": "https://mastodon.linkerror.com/users/jns/statuses/114111619181884675/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.linkerror.com/users/jns/statuses/114111619181884675/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.linkerror.com/users/jns/statuses/114111619181884675/replies", "items": [] } }, "likes": { "id": "https://mastodon.linkerror.com/users/jns/statuses/114111619181884675/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mastodon.linkerror.com/users/jns/statuses/114111619181884675/shares", "type": "Collection", "totalItems": 0 } }, { "id": "https://mastodon.linkerror.com/users/jns/statuses/110345628435907245", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-05-10T17:44:28Z", "url": "https://mastodon.linkerror.com/@jns/110345628435907245", "attributedTo": "https://mastodon.linkerror.com/users/jns", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.linkerror.com/users/jns/followers" ], "sensitive": false, "atomUri": "https://mastodon.linkerror.com/users/jns/statuses/110345628435907245", "inReplyToAtomUri": null, "conversation": "tag:mastodon.linkerror.com,2023-05-10:objectId=374587:objectType=Conversation", "content": "<p>Re-posting my New Cyberia music video here because the one on the htown account vanished when htown tv went under. Also, because I like it, and it&#39;s maybe kinda relevant, as in that moving to a new cyberia with perma-computy comfy-goodness sounds nice about right now.</p><p><a href=\"https://toobnix.org/w/bLwNqELdsu95o6xGEmVqSq\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">toobnix.org/w/bLwNqELdsu95o6xG</span><span class=\"invisible\">EmVqSq</span></a></p>", "contentMap": { "en": "<p>Re-posting my New Cyberia music video here because the one on the htown account vanished when htown tv went under. Also, because I like it, and it&#39;s maybe kinda relevant, as in that moving to a new cyberia with perma-computy comfy-goodness sounds nice about right now.</p><p><a href=\"https://toobnix.org/w/bLwNqELdsu95o6xGEmVqSq\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">toobnix.org/w/bLwNqELdsu95o6xG</span><span class=\"invisible\">EmVqSq</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mastodon.linkerror.com/users/jns/statuses/110345628435907245/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.linkerror.com/users/jns/statuses/110345628435907245/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.linkerror.com/users/jns/statuses/110345628435907245/replies", "items": [] } }, "likes": { "id": "https://mastodon.linkerror.com/users/jns/statuses/110345628435907245/likes", "type": "Collection", "totalItems": 15 }, "shares": { "id": "https://mastodon.linkerror.com/users/jns/statuses/110345628435907245/shares", "type": "Collection", "totalItems": 4 } }, { "id": "https://mastodon.linkerror.com/users/jns/statuses/110306048778310339", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-05-03T17:58:50Z", "url": "https://mastodon.linkerror.com/@jns/110306048778310339", "attributedTo": "https://mastodon.linkerror.com/users/jns", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.linkerror.com/users/jns/followers", "https://mastodon.social/users/arcanesciences" ], "sensitive": false, "atomUri": "https://mastodon.linkerror.com/users/jns/statuses/110306048778310339", "inReplyToAtomUri": null, "conversation": "tag:mastodon.linkerror.com,2023-05-03:objectId=363633:objectType=Conversation", "content": "<p>Introducing PERMACOMPUTER - human-focused computing - a <a href=\"https://mastodon.linkerror.com/tags/degrowth\" class=\"mention hashtag\" rel=\"tag\">#<span>degrowth</span></a> and <a href=\"https://mastodon.linkerror.com/tags/permacomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>permacomputing</span></a> open letter and hopefully soon community, with your help:</p><p>* <a href=\"gemini://perma.computer/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\"></span><span class=\"\">gemini://perma.computer/</span><span class=\"invisible\"></span></a><br />* <a href=\"gopher://perma.computer/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\"></span><span class=\"\">gopher://perma.computer/</span><span class=\"invisible\"></span></a></p><p>Please read the open letter and sign it if you agree! It would mean a lot! </p><p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@arcanesciences\" class=\"u-url mention\">@<span>arcanesciences</span></a></span> &#39; <a href=\"https://mastodon.linkerror.com/tags/gemini\" class=\"mention hashtag\" rel=\"tag\">#<span>gemini</span></a> gemlog here: <a href=\"gemini://arcanesciences.com/gemlog/23-05-04/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\"></span><span class=\"ellipsis\">gemini://arcanesciences.com/ge</span><span class=\"invisible\">mlog/23-05-04/</span></a></p><p>I also wrote a <a href=\"https://mastodon.linkerror.com/tags/gopher\" class=\"mention hashtag\" rel=\"tag\">#<span>gopher</span></a> phlog post about it here: <a href=\"gopher://gopher.linkerror.com/0/phlog/2023/20230503\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\"></span><span class=\"ellipsis\">gopher://gopher.linkerror.com/</span><span class=\"invisible\">0/phlog/2023/20230503</span></a></p><p>Please help spread the word!</p>", "contentMap": { "en": "<p>Introducing PERMACOMPUTER - human-focused computing - a <a href=\"https://mastodon.linkerror.com/tags/degrowth\" class=\"mention hashtag\" rel=\"tag\">#<span>degrowth</span></a> and <a href=\"https://mastodon.linkerror.com/tags/permacomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>permacomputing</span></a> open letter and hopefully soon community, with your help:</p><p>* <a href=\"gemini://perma.computer/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\"></span><span class=\"\">gemini://perma.computer/</span><span class=\"invisible\"></span></a><br />* <a href=\"gopher://perma.computer/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\"></span><span class=\"\">gopher://perma.computer/</span><span class=\"invisible\"></span></a></p><p>Please read the open letter and sign it if you agree! It would mean a lot! </p><p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@arcanesciences\" class=\"u-url mention\">@<span>arcanesciences</span></a></span> &#39; <a href=\"https://mastodon.linkerror.com/tags/gemini\" class=\"mention hashtag\" rel=\"tag\">#<span>gemini</span></a> gemlog here: <a href=\"gemini://arcanesciences.com/gemlog/23-05-04/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\"></span><span class=\"ellipsis\">gemini://arcanesciences.com/ge</span><span class=\"invisible\">mlog/23-05-04/</span></a></p><p>I also wrote a <a href=\"https://mastodon.linkerror.com/tags/gopher\" class=\"mention hashtag\" rel=\"tag\">#<span>gopher</span></a> phlog post about it here: <a href=\"gopher://gopher.linkerror.com/0/phlog/2023/20230503\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\"></span><span class=\"ellipsis\">gopher://gopher.linkerror.com/</span><span class=\"invisible\">0/phlog/2023/20230503</span></a></p><p>Please help spread the word!</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/arcanesciences", "name": "@arcanesciences@mastodon.social" }, { "type": "Hashtag", "href": "https://mastodon.linkerror.com/tags/degrowth", "name": "#degrowth" }, { "type": "Hashtag", "href": "https://mastodon.linkerror.com/tags/permacomputing", "name": "#permacomputing" }, { "type": "Hashtag", "href": "https://mastodon.linkerror.com/tags/gemini", "name": "#gemini" }, { "type": "Hashtag", "href": "https://mastodon.linkerror.com/tags/gopher", "name": "#gopher" } ], "replies": { "id": "https://mastodon.linkerror.com/users/jns/statuses/110306048778310339/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.linkerror.com/users/jns/statuses/110306048778310339/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.linkerror.com/users/jns/statuses/110306048778310339/replies", "items": [] } }, "likes": { "id": "https://mastodon.linkerror.com/users/jns/statuses/110306048778310339/likes", "type": "Collection", "totalItems": 27 }, "shares": { "id": "https://mastodon.linkerror.com/users/jns/statuses/110306048778310339/shares", "type": "Collection", "totalItems": 25 } }, { "id": "https://mastodon.linkerror.com/users/jns/statuses/109486706204448528", "type": "Note", "summary": null, "inReplyTo": null, "published": "2022-12-10T01:09:15Z", "url": "https://mastodon.linkerror.com/@jns/109486706204448528", "attributedTo": "https://mastodon.linkerror.com/users/jns", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.linkerror.com/users/jns/followers" ], "sensitive": false, "atomUri": "https://mastodon.linkerror.com/users/jns/statuses/109486706204448528", "inReplyToAtomUri": null, "conversation": "tag:mastodon.linkerror.com,2022-12-10:objectId=22999:objectType=Conversation", "content": "<p>The toot monolith.</p><p><a href=\"https://toobnix.org/w/7Dai4JKJYFw3H14ydrD1Ku\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">toobnix.org/w/7Dai4JKJYFw3H14y</span><span class=\"invisible\">drD1Ku</span></a></p><p>Just making sure VR rendering still works in my engine. </p><p>Tested with a ton of lights, and the gui node in my engine. FPS is hurting a bit hah - I may have some optimizing ahead of me.</p><p>(No Faceb^H^H^H^H^HMeta involved in any of this. They can go pound sand.)</p><p><a href=\"https://mastodon.linkerror.com/tags/gamedev\" class=\"mention hashtag\" rel=\"tag\">#<span>gamedev</span></a> <a href=\"https://mastodon.linkerror.com/tags/vr\" class=\"mention hashtag\" rel=\"tag\">#<span>vr</span></a> <a href=\"https://mastodon.linkerror.com/tags/toot\" class=\"mention hashtag\" rel=\"tag\">#<span>toot</span></a></p>", "contentMap": { "en": "<p>The toot monolith.</p><p><a href=\"https://toobnix.org/w/7Dai4JKJYFw3H14ydrD1Ku\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">toobnix.org/w/7Dai4JKJYFw3H14y</span><span class=\"invisible\">drD1Ku</span></a></p><p>Just making sure VR rendering still works in my engine. </p><p>Tested with a ton of lights, and the gui node in my engine. FPS is hurting a bit hah - I may have some optimizing ahead of me.</p><p>(No Faceb^H^H^H^H^HMeta involved in any of this. They can go pound sand.)</p><p><a href=\"https://mastodon.linkerror.com/tags/gamedev\" class=\"mention hashtag\" rel=\"tag\">#<span>gamedev</span></a> <a href=\"https://mastodon.linkerror.com/tags/vr\" class=\"mention hashtag\" rel=\"tag\">#<span>vr</span></a> <a href=\"https://mastodon.linkerror.com/tags/toot\" class=\"mention hashtag\" rel=\"tag\">#<span>toot</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.linkerror.com/tags/gamedev", "name": "#gamedev" }, { "type": "Hashtag", "href": "https://mastodon.linkerror.com/tags/vr", "name": "#vr" }, { "type": "Hashtag", "href": "https://mastodon.linkerror.com/tags/toot", "name": "#toot" } ], "replies": { "id": "https://mastodon.linkerror.com/users/jns/statuses/109486706204448528/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.linkerror.com/users/jns/statuses/109486706204448528/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.linkerror.com/users/jns/statuses/109486706204448528/replies", "items": [] } }, "likes": { "id": "https://mastodon.linkerror.com/users/jns/statuses/109486706204448528/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mastodon.linkerror.com/users/jns/statuses/109486706204448528/shares", "type": "Collection", "totalItems": 1 } } ] }