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/laotang/statuses/114148442079670184", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-12T08:09:59Z", "url": "https://mastodon.social/@laotang/114148442079670184", "attributedTo": "https://mastodon.social/users/laotang", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/laotang/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/laotang/statuses/114148442079670184", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-03-12:objectId=943605167:objectType=Conversation", "content": "<p><a href=\"https://mastodon.social/tags/elfeed\" class=\"mention hashtag\" rel=\"tag\">#<span>elfeed</span></a> is a great and mature rss-reader for <a href=\"https://mastodon.social/tags/emacs\" class=\"mention hashtag\" rel=\"tag\">#<span>emacs</span></a>, but does not allow for content-based search. I’ve put together a small package (70+ lines) to address this. If you want to give it a spin: <a href=\"https://github.com/rtrppl/cuckoo-search\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/rtrppl/cuckoo-search</span><span class=\"invisible\"></span></a></p><p>(You’ll need to have ripgrep installed for this.)</p>", "contentMap": { "en": "<p><a href=\"https://mastodon.social/tags/elfeed\" class=\"mention hashtag\" rel=\"tag\">#<span>elfeed</span></a> is a great and mature rss-reader for <a href=\"https://mastodon.social/tags/emacs\" class=\"mention hashtag\" rel=\"tag\">#<span>emacs</span></a>, but does not allow for content-based search. I’ve put together a small package (70+ lines) to address this. If you want to give it a spin: <a href=\"https://github.com/rtrppl/cuckoo-search\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">github.com/rtrppl/cuckoo-search</span><span class=\"invisible\"></span></a></p><p>(You’ll need to have ripgrep installed for this.)</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/elfeed", "name": "#elfeed" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/emacs", "name": "#emacs" } ], "replies": { "id": "https://mastodon.social/users/laotang/statuses/114148442079670184/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/laotang/statuses/114148442079670184/replies?min_id=114150536707370576&page=true", "partOf": "https://mastodon.social/users/laotang/statuses/114148442079670184/replies", "items": [ "https://mastodon.social/users/laotang/statuses/114150536707370576" ] } }, "likes": { "id": "https://mastodon.social/users/laotang/statuses/114148442079670184/likes", "type": "Collection", "totalItems": 9 }, "shares": { "id": "https://mastodon.social/users/laotang/statuses/114148442079670184/shares", "type": "Collection", "totalItems": 5 } }