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.bsd.cafe/users/zirias/statuses/114516097583061890/replies", "type": "Collection", "first": { "id": "https://mastodon.bsd.cafe/users/zirias/statuses/114516097583061890/replies?page=true", "type": "CollectionPage", "next": "https://mastodon.bsd.cafe/users/zirias/statuses/114516097583061890/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.bsd.cafe/users/zirias/statuses/114516097583061890/replies", "items": [ { "id": "https://mastodon.bsd.cafe/users/zirias/statuses/114516942639876453", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.bsd.cafe/users/zirias/statuses/114516097583061890", "published": "2025-05-16T10:04:31Z", "url": "https://mastodon.bsd.cafe/@zirias/114516942639876453", "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/114516942639876453", "inReplyToAtomUri": "https://mastodon.bsd.cafe/users/zirias/statuses/114516097583061890", "conversation": "tag:bsd.cafe,2025-05-16:objectId=17041511:objectType=Conversation", "content": "<p>I now decided I&#39;ll at least aim for some middle grounds: Rework <a href=\"https://mastodon.bsd.cafe/tags/swad\" class=\"mention hashtag\" rel=\"tag\">#<span>swad</span></a> so it only needs a (server-side) <a href=\"https://mastodon.bsd.cafe/tags/session\" class=\"mention hashtag\" rel=\"tag\">#<span>session</span></a> once a user is <a href=\"https://mastodon.bsd.cafe/tags/authenticated\" class=\"mention hashtag\" rel=\"tag\">#<span>authenticated</span></a>!</p><p>This does have some implications, e.g. passing a redirect argument to the authentication endpoint won&#39;t work any more. But experimentation shows a workaround would be to use an &quot;internal redirect&quot; to the login endpoint in <a href=\"https://mastodon.bsd.cafe/tags/nginx\" class=\"mention hashtag\" rel=\"tag\">#<span>nginx</span></a>.</p><p>We&#39;ll see where I end up. Having sessions only for authenticated users should reduce the need for server-side RAM significantly, so I hope 😉</p>", "contentMap": { "en": "<p>I now decided I&#39;ll at least aim for some middle grounds: Rework <a href=\"https://mastodon.bsd.cafe/tags/swad\" class=\"mention hashtag\" rel=\"tag\">#<span>swad</span></a> so it only needs a (server-side) <a href=\"https://mastodon.bsd.cafe/tags/session\" class=\"mention hashtag\" rel=\"tag\">#<span>session</span></a> once a user is <a href=\"https://mastodon.bsd.cafe/tags/authenticated\" class=\"mention hashtag\" rel=\"tag\">#<span>authenticated</span></a>!</p><p>This does have some implications, e.g. passing a redirect argument to the authentication endpoint won&#39;t work any more. But experimentation shows a workaround would be to use an &quot;internal redirect&quot; to the login endpoint in <a href=\"https://mastodon.bsd.cafe/tags/nginx\" class=\"mention hashtag\" rel=\"tag\">#<span>nginx</span></a>.</p><p>We&#39;ll see where I end up. Having sessions only for authenticated users should reduce the need for server-side RAM significantly, so I hope 😉</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/swad", "name": "#swad" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/session", "name": "#session" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/authenticated", "name": "#authenticated" }, { "type": "Hashtag", "href": "https://mastodon.bsd.cafe/tags/nginx", "name": "#nginx" } ], "replies": { "id": "https://mastodon.bsd.cafe/users/zirias/statuses/114516942639876453/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.bsd.cafe/users/zirias/statuses/114516942639876453/replies?min_id=114517619207170812&page=true", "partOf": "https://mastodon.bsd.cafe/users/zirias/statuses/114516942639876453/replies", "items": [ "https://mastodon.bsd.cafe/users/zirias/statuses/114517619207170812" ] } }, "likes": { "id": "https://mastodon.bsd.cafe/users/zirias/statuses/114516942639876453/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.bsd.cafe/users/zirias/statuses/114516942639876453/shares", "type": "Collection", "totalItems": 0 } } ] } }