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/inkican/statuses/114643177728418333", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-07T17:07:46Z", "url": "https://mastodon.social/@inkican/114643177728418333", "attributedTo": "https://mastodon.social/users/inkican", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/inkican/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/inkican/statuses/114643177728418333", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-06-07:objectId=1017067902:objectType=Conversation", "content": "<p>Peter Parker, your origin story has arrived.</p><p><a href=\"https://www.fastcompany.com/91338132/first-genetically-modified-spider-new-super-materials\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">fastcompany.com/91338132/first</span><span class=\"invisible\">-genetically-modified-spider-new-super-materials</span></a></p><p><a href=\"https://mastodon.social/tags/biotech\" class=\"mention hashtag\" rel=\"tag\">#<span>biotech</span></a> <a href=\"https://mastodon.social/tags/biotechnology\" class=\"mention hashtag\" rel=\"tag\">#<span>biotechnology</span></a> <a href=\"https://mastodon.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mastodon.social/tags/biology\" class=\"mention hashtag\" rel=\"tag\">#<span>biology</span></a> <a href=\"https://mastodon.social/tags/microbiology\" class=\"mention hashtag\" rel=\"tag\">#<span>microbiology</span></a></p>", "contentMap": { "en": "<p>Peter Parker, your origin story has arrived.</p><p><a href=\"https://www.fastcompany.com/91338132/first-genetically-modified-spider-new-super-materials\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">fastcompany.com/91338132/first</span><span class=\"invisible\">-genetically-modified-spider-new-super-materials</span></a></p><p><a href=\"https://mastodon.social/tags/biotech\" class=\"mention hashtag\" rel=\"tag\">#<span>biotech</span></a> <a href=\"https://mastodon.social/tags/biotechnology\" class=\"mention hashtag\" rel=\"tag\">#<span>biotechnology</span></a> <a href=\"https://mastodon.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://mastodon.social/tags/biology\" class=\"mention hashtag\" rel=\"tag\">#<span>biology</span></a> <a href=\"https://mastodon.social/tags/microbiology\" class=\"mention hashtag\" rel=\"tag\">#<span>microbiology</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/biotech", "name": "#biotech" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/biotechnology", "name": "#biotechnology" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/science", "name": "#science" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/biology", "name": "#biology" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/microbiology", "name": "#microbiology" } ], "replies": { "id": "https://mastodon.social/users/inkican/statuses/114643177728418333/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/inkican/statuses/114643177728418333/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/inkican/statuses/114643177728418333/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/inkican/statuses/114643177728418333/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mastodon.social/users/inkican/statuses/114643177728418333/shares", "type": "Collection", "totalItems": 3 } }