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", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/maxlath/collections/featured", "type": "OrderedCollection", "totalItems": 4, "orderedItems": [ { "id": "https://mastodon.social/users/maxlath/statuses/114461947992550673", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-06T16:58:40Z", "url": "https://mastodon.social/@maxlath/114461947992550673", "attributedTo": "https://mastodon.social/users/maxlath", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/maxlath/followers", "https://mamot.fr/users/inventaire" ], "sensitive": false, "atomUri": "https://mastodon.social/users/maxlath/statuses/114461947992550673", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-06:objectId=990289531:objectType=Conversation", "content": "<p>Je ferai une présentation sur les dernières évolutions d&#39;<span class=\"h-card\" translate=\"no\"><a href=\"https://mamot.fr/@inventaire\" class=\"u-url mention\">@<span>inventaire</span></a></span> aux <a href=\"https://mastodon.social/tags/JdLL\" class=\"mention hashtag\" rel=\"tag\">#<span>JdLL</span></a> le 24 mai :</p><p>&quot;Inventaire: outiller les bibliothécaires amateur·ice·s, décentralisation et mutualisation de données&quot;</p><p><a href=\"https://pretalx.jdll.org/jdll2025/talk/TBC7YS/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">pretalx.jdll.org/jdll2025/talk</span><span class=\"invisible\">/TBC7YS/</span></a></p><p>[2025-06-12 edit] La vidéo et les slides de la présentation sont maintenant en ligne <a href=\"https://maxlath.eu/posts/presentations-inventaire-jdll-2025/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">maxlath.eu/posts/presentations</span><span class=\"invisible\">-inventaire-jdll-2025/</span></a></p><p><a href=\"https://mastodon.social/tags/inventaireio\" class=\"mention hashtag\" rel=\"tag\">#<span>inventaireio</span></a> <a href=\"https://mastodon.social/tags/Lyon\" class=\"mention hashtag\" rel=\"tag\">#<span>Lyon</span></a> <a href=\"https://mastodon.social/tags/wikidata\" class=\"mention hashtag\" rel=\"tag\">#<span>wikidata</span></a></p>", "contentMap": { "fr": "<p>Je ferai une présentation sur les dernières évolutions d&#39;<span class=\"h-card\" translate=\"no\"><a href=\"https://mamot.fr/@inventaire\" class=\"u-url mention\">@<span>inventaire</span></a></span> aux <a href=\"https://mastodon.social/tags/JdLL\" class=\"mention hashtag\" rel=\"tag\">#<span>JdLL</span></a> le 24 mai :</p><p>&quot;Inventaire: outiller les bibliothécaires amateur·ice·s, décentralisation et mutualisation de données&quot;</p><p><a href=\"https://pretalx.jdll.org/jdll2025/talk/TBC7YS/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">pretalx.jdll.org/jdll2025/talk</span><span class=\"invisible\">/TBC7YS/</span></a></p><p>[2025-06-12 edit] La vidéo et les slides de la présentation sont maintenant en ligne <a href=\"https://maxlath.eu/posts/presentations-inventaire-jdll-2025/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">maxlath.eu/posts/presentations</span><span class=\"invisible\">-inventaire-jdll-2025/</span></a></p><p><a href=\"https://mastodon.social/tags/inventaireio\" class=\"mention hashtag\" rel=\"tag\">#<span>inventaireio</span></a> <a href=\"https://mastodon.social/tags/Lyon\" class=\"mention hashtag\" rel=\"tag\">#<span>Lyon</span></a> <a href=\"https://mastodon.social/tags/wikidata\" class=\"mention hashtag\" rel=\"tag\">#<span>wikidata</span></a></p>" }, "updated": "2025-06-12T12:54:04Z", "attachment": [], "tag": [ { "type": "Mention", "href": "https://mamot.fr/users/inventaire", "name": "@inventaire@mamot.fr" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/jdll", "name": "#jdll" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/inventaireio", "name": "#inventaireio" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/lyon", "name": "#lyon" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/wikidata", "name": "#wikidata" } ], "replies": { "id": "https://mastodon.social/users/maxlath/statuses/114461947992550673/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/maxlath/statuses/114461947992550673/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/maxlath/statuses/114461947992550673/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/maxlath/statuses/114461947992550673/likes", "type": "Collection", "totalItems": 18 }, "shares": { "id": "https://mastodon.social/users/maxlath/statuses/114461947992550673/shares", "type": "Collection", "totalItems": 23 } }, { "id": "https://mastodon.social/users/maxlath/statuses/113888558425911334", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-25T10:38:09Z", "url": "https://mastodon.social/@maxlath/113888558425911334", "attributedTo": "https://mastodon.social/users/maxlath", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/maxlath/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/maxlath/statuses/113888558425911334", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-01-25:objectId=903363271:objectType=Conversation", "content": "<p>&quot;AI is Creating a Generation of Illiterate Programmers&quot; <a href=\"https://nmn.gl/blog/ai-illiterate-programmers\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">nmn.gl/blog/ai-illiterate-prog</span><span class=\"invisible\">rammers</span></a></p><p>This is <a href=\"https://mastodon.social/tags/proletarization\" class=\"mention hashtag\" rel=\"tag\">#<span>proletarization</span></a>, in the stieglerian sense, in a very pure form: loosing your knowledge to a technical object or process.</p><p><a href=\"https://mastodon.social/tags/BernardStiegler\" class=\"mention hashtag\" rel=\"tag\">#<span>BernardStiegler</span></a> also gives a name to what happens when we leave our know-how to a technology, and when the ones in control of that technology do not care – in other ways than in terms of profit – about the ones trusting it: <a href=\"https://mastodon.social/tags/SystemicStupidity\" class=\"mention hashtag\" rel=\"tag\">#<span>SystemicStupidity</span></a></p><p><a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://mastodon.social/tags/PhilosophyOfTechnology\" class=\"mention hashtag\" rel=\"tag\">#<span>PhilosophyOfTechnology</span></a></p>", "contentMap": { "en": "<p>&quot;AI is Creating a Generation of Illiterate Programmers&quot; <a href=\"https://nmn.gl/blog/ai-illiterate-programmers\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">nmn.gl/blog/ai-illiterate-prog</span><span class=\"invisible\">rammers</span></a></p><p>This is <a href=\"https://mastodon.social/tags/proletarization\" class=\"mention hashtag\" rel=\"tag\">#<span>proletarization</span></a>, in the stieglerian sense, in a very pure form: loosing your knowledge to a technical object or process.</p><p><a href=\"https://mastodon.social/tags/BernardStiegler\" class=\"mention hashtag\" rel=\"tag\">#<span>BernardStiegler</span></a> also gives a name to what happens when we leave our know-how to a technology, and when the ones in control of that technology do not care – in other ways than in terms of profit – about the ones trusting it: <a href=\"https://mastodon.social/tags/SystemicStupidity\" class=\"mention hashtag\" rel=\"tag\">#<span>SystemicStupidity</span></a></p><p><a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://mastodon.social/tags/PhilosophyOfTechnology\" class=\"mention hashtag\" rel=\"tag\">#<span>PhilosophyOfTechnology</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/proletarization", "name": "#proletarization" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/bernardstiegler", "name": "#bernardstiegler" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/systemicstupidity", "name": "#systemicstupidity" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/programming", "name": "#programming" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/philosophyoftechnology", "name": "#philosophyoftechnology" } ], "replies": { "id": "https://mastodon.social/users/maxlath/statuses/113888558425911334/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/maxlath/statuses/113888558425911334/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/maxlath/statuses/113888558425911334/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/maxlath/statuses/113888558425911334/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mastodon.social/users/maxlath/statuses/113888558425911334/shares", "type": "Collection", "totalItems": 4 } }, { "id": "https://mastodon.social/users/maxlath/statuses/113515225362321801", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-20T12:14:39Z", "url": "https://mastodon.social/@maxlath/113515225362321801", "attributedTo": "https://mastodon.social/users/maxlath", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/maxlath/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/maxlath/statuses/113515225362321801", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2024-11-20:objectId=852829971:objectType=Conversation", "content": "<p>&quot;À ne pas manquer, vendredi à 8h : Debout les Zouzous est de retour sur Guilli, avec en invité Johann Chapoutot, historien des mouvements fascistes&quot;</p><p><a href=\"https://mastodon.social/tags/JohannChapoutot\" class=\"mention hashtag\" rel=\"tag\">#<span>JohannChapoutot</span></a> <a href=\"https://mastodon.social/tags/shitpost\" class=\"mention hashtag\" rel=\"tag\">#<span>shitpost</span></a></p>", "contentMap": { "fr": "<p>&quot;À ne pas manquer, vendredi à 8h : Debout les Zouzous est de retour sur Guilli, avec en invité Johann Chapoutot, historien des mouvements fascistes&quot;</p><p><a href=\"https://mastodon.social/tags/JohannChapoutot\" class=\"mention hashtag\" rel=\"tag\">#<span>JohannChapoutot</span></a> <a href=\"https://mastodon.social/tags/shitpost\" class=\"mention hashtag\" rel=\"tag\">#<span>shitpost</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/JohannChapoutot", "name": "#JohannChapoutot" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/shitpost", "name": "#shitpost" } ], "replies": { "id": "https://mastodon.social/users/maxlath/statuses/113515225362321801/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/maxlath/statuses/113515225362321801/replies?min_id=113515339721607145&page=true", "partOf": "https://mastodon.social/users/maxlath/statuses/113515225362321801/replies", "items": [ "https://mastodon.social/users/maxlath/statuses/113515339721607145" ] } }, "likes": { "id": "https://mastodon.social/users/maxlath/statuses/113515225362321801/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mastodon.social/users/maxlath/statuses/113515225362321801/shares", "type": "Collection", "totalItems": 0 } }, { "id": "https://mastodon.social/users/maxlath/statuses/111040100201142105", "type": "Note", "summary": null, "inReplyTo": null, "published": "2023-09-10T09:17:46Z", "url": "https://mastodon.social/@maxlath/111040100201142105", "attributedTo": "https://mastodon.social/users/maxlath", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/maxlath/followers", "https://inventaire.io/api/activitypub?action=actor&name=wd-Q60786968" ], "sensitive": false, "atomUri": "https://mastodon.social/users/maxlath/statuses/111040100201142105", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2023-09-10:objectId=532600166:objectType=Conversation", "content": "<p>&quot;The thrill of private ownership is the fruit of an underground common.&quot;</p><p>— Anna Tsing, &quot;The Mushroom at the End of the World&quot; <span class=\"h-card\" translate=\"no\"><a href=\"https://inventaire.io/api/activitypub?action=actor&amp;name=wd-Q60786968\" class=\"u-url mention\">@<span>wd-Q60786968</span></a></span></p><p><a href=\"https://mastodon.social/tags/PropertyIsTheft\" class=\"mention hashtag\" rel=\"tag\">#<span>PropertyIsTheft</span></a> <a href=\"https://mastodon.social/tags/Commons\" class=\"mention hashtag\" rel=\"tag\">#<span>Commons</span></a> <a href=\"https://mastodon.social/tags/quote\" class=\"mention hashtag\" rel=\"tag\">#<span>quote</span></a></p>", "contentMap": { "en": "<p>&quot;The thrill of private ownership is the fruit of an underground common.&quot;</p><p>— Anna Tsing, &quot;The Mushroom at the End of the World&quot; <span class=\"h-card\" translate=\"no\"><a href=\"https://inventaire.io/api/activitypub?action=actor&amp;name=wd-Q60786968\" class=\"u-url mention\">@<span>wd-Q60786968</span></a></span></p><p><a href=\"https://mastodon.social/tags/PropertyIsTheft\" class=\"mention hashtag\" rel=\"tag\">#<span>PropertyIsTheft</span></a> <a href=\"https://mastodon.social/tags/Commons\" class=\"mention hashtag\" rel=\"tag\">#<span>Commons</span></a> <a href=\"https://mastodon.social/tags/quote\" class=\"mention hashtag\" rel=\"tag\">#<span>quote</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://inventaire.io/api/activitypub?action=actor&name=wd-Q60786968", "name": "@wd-Q60786968@inventaire.io" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/propertyistheft", "name": "#propertyistheft" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/commons", "name": "#commons" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/quote", "name": "#quote" } ], "replies": { "id": "https://mastodon.social/users/maxlath/statuses/111040100201142105/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/maxlath/statuses/111040100201142105/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/maxlath/statuses/111040100201142105/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/maxlath/statuses/111040100201142105/likes", "type": "Collection", "totalItems": 7 }, "shares": { "id": "https://mastodon.social/users/maxlath/statuses/111040100201142105/shares", "type": "Collection", "totalItems": 5 } } ] }