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.bsd.cafe/users/zirias/statuses/114345975480108763", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-16T05:25:19Z", "url": "https://mastodon.bsd.cafe/@zirias/114345975480108763", "attributedTo": "https://mastodon.bsd.cafe/users/zirias", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.bsd.cafe/users/zirias/followers" ], "sensitive": false, "atomUri": "https://mastodon.bsd.cafe/users/zirias/statuses/114345975480108763", "inReplyToAtomUri": null, "conversation": "tag:bsd.cafe,2025-04-16:objectId=15805028:objectType=Conversation", "content": "<p>Having to deprecate a part of <a href=\"https://mastodon.bsd.cafe/tags/poser\" class=\"mention hashtag\" rel=\"tag\">#<span>poser</span></a>&#39;s API for the first time, I added support for the <a href=\"https://mastodon.bsd.cafe/tags/deprecated\" class=\"mention hashtag\" rel=\"tag\">#<span>deprecated</span></a> attribute supported by <a href=\"https://mastodon.bsd.cafe/tags/GCC\" class=\"mention hashtag\" rel=\"tag\">#<span>GCC</span></a> and <a href=\"https://mastodon.bsd.cafe/tags/clang\" class=\"mention hashtag\" rel=\"tag\">#<span>clang</span></a> and then found <a href=\"https://mastodon.bsd.cafe/tags/Doxygen\" class=\"mention hashtag\" rel=\"tag\">#<span>Doxygen</span></a> couldn&#39;t automatically use it.</p><p>I didn&#39;t want to document deprecation *twice*, so I came up with a little hackery, see screenshots. 🙈 </p><p>It&#39;s not perfect, requiring to type the message in plain text as a macro argument forbids the usage of a comma 😉 But hey, it works!</p><p><a href=\"https://zirias.github.io/poser/api/latest/deprecated.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">zirias.github.io/poser/api/lat</span><span class=\"invisible\">est/deprecated.html</span></a></p><p><a href=\"https://mastodon.bsd.cafe/tags/C\" class=\"mention hashtag\" rel=\"tag\">#<span>C</span></a> <a href=\"https://mastodon.bsd.cafe/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a></p>", "contentMap": { "en": "<p>Having to deprecate a part of <a href=\"https://mastodon.bsd.cafe/tags/poser\" class=\"mention hashtag\" rel=\"tag\">#<span>poser</span></a>&#39;s API for the first time, I added support for the <a href=\"https://mastodon.bsd.cafe/tags/deprecated\" class=\"mention hashtag\" rel=\"tag\">#<span>deprecated</span></a> attribute supported by <a href=\"https://mastodon.bsd.cafe/tags/GCC\" class=\"mention hashtag\" rel=\"tag\">#<span>GCC</span></a> and <a href=\"https://mastodon.bsd.cafe/tags/clang\" class=\"mention hashtag\" rel=\"tag\">#<span>clang</span></a> and then found <a href=\"https://mastodon.bsd.cafe/tags/Doxygen\" class=\"mention hashtag\" rel=\"tag\">#<span>Doxygen</span></a> couldn&#39;t automatically use it.</p><p>I didn&#39;t want to document deprecation *twice*, so I came up with a little hackery, see screenshots. 🙈 </p><p>It&#39;s not perfect, requiring to type the message in plain text as a macro argument forbids the usage of a comma 😉 But hey, it works!</p><p><a href=\"https://zirias.github.io/poser/api/latest/deprecated.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">zirias.github.io/poser/api/lat</span><span class=\"invisible\">est/deprecated.html</span></a></p><p><a href=\"https://mastodon.bsd.cafe/tags/C\" class=\"mention hashtag\" rel=\"tag\">#<span>C</span></a> <a href=\"https://mastodon.bsd.cafe/tags/coding\" class=\"mention hashtag\" rel=\"tag\">#<span>coding</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.bsd.cafe/bsdmmedia01/media_attachments/files/114/345/937/400/173/417/original/d2cdf7d6c82af947.png", "name": "Definition of an OBSOLETE macro for GCC/clang preprocessor, constructing a \"deprecated\" attribute with the argument stringified", "blurhash": "U15g@+}esqbE-X$-NYJ3A8sqS0WT}xR$I,ay", "focalPoint": [ 0, 0 ], "width": 429, "height": 64 }, { "type": "Document", "mediaType": "image/png", "url": "https://media.bsd.cafe/bsdmmedia01/media_attachments/files/114/345/946/067/525/823/original/a64175c182254e4c.png", "name": "Definition of an OBSOLETE macro for Doxygen, here expanding to a comment block with the \\deprecated property.", "blurhash": "U25Ey#X402s=Ibsq%Zow%IoxN4V]Rpogxoox", "focalPoint": [ 0, 0 ], "width": 428, "height": 239 }, { "type": "Document", "mediaType": "image/png", "url": "https://media.bsd.cafe/bsdmmedia01/media_attachments/files/114/345/959/448/329/362/original/3845c73fc8be3c14.png", "name": "The OBSOLETE macro in action with the clang compiler", "blurhash": "U36t:q%3M{bH_3ahWBay%MM|jboL~qn,WCof", "focalPoint": [ 0, 0 ], "width": 563, "height": 126 }, { "type": "Document", "mediaType": "image/png", "url": "https://media.bsd.cafe/bsdmmedia01/media_attachments/files/114/345/964/873/964/273/original/f52d5ebdf8458a22.png", "name": "The OBSOLETE macro in action with Doxygen", "blurhash": "U43bwIxvRioz%jogV?ogx_bJV@kDo#t8aeay", "focalPoint": [ 0, 0 ], "width": 477, "height": 273 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/poser", "name": "#poser" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/deprecated", "name": "#deprecated" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/gcc", "name": "#gcc" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/clang", "name": "#clang" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/doxygen", "name": "#doxygen" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/c", "name": "#c" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/coding", "name": "#coding" } ], "replies": { "id": "https://mastodon.bsd.cafe/users/zirias/statuses/114345975480108763/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.bsd.cafe/users/zirias/statuses/114345975480108763/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.bsd.cafe/users/zirias/statuses/114345975480108763/replies", "items": [] } }, "likes": { "id": "https://mastodon.bsd.cafe/users/zirias/statuses/114345975480108763/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.bsd.cafe/users/zirias/statuses/114345975480108763/shares", "type": "Collection", "totalItems": 0 } }