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://bookstodon.com/users/BOOKidealist/statuses/114723060060531762", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-21T19:42:54Z", "url": "https://bookstodon.com/@BOOKidealist/114723060060531762", "attributedTo": "https://bookstodon.com/users/BOOKidealist", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://bookstodon.com/users/BOOKidealist/followers" ], "sensitive": false, "atomUri": "https://bookstodon.com/users/BOOKidealist/statuses/114723060060531762", "inReplyToAtomUri": null, "conversation": "tag:bookstodon.com,2025-06-21:objectId=38487778:objectType=Conversation", "content": "<p>Funny how B. fragilis was a tolerance hero for 20 years, glowing papers, careers, startups. Now it’s linked to inflammation and faster T1D in mice. Two decades in, still no therapy. No wonder it never made it out of the pipeline. </p><p><a href=\"https://bookstodon.com/tags/immunology\" class=\"mention hashtag\" rel=\"tag\">#<span>immunology</span></a><br /><a href=\"https://bookstodon.com/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a></p><p><a href=\"https://www.biorxiv.org/content/10.1101/2025.06.02.657398v1\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">biorxiv.org/content/10.1101/20</span><span class=\"invisible\">25.06.02.657398v1</span></a></p>", "contentMap": { "en": "<p>Funny how B. fragilis was a tolerance hero for 20 years, glowing papers, careers, startups. Now it’s linked to inflammation and faster T1D in mice. Two decades in, still no therapy. No wonder it never made it out of the pipeline. </p><p><a href=\"https://bookstodon.com/tags/immunology\" class=\"mention hashtag\" rel=\"tag\">#<span>immunology</span></a><br /><a href=\"https://bookstodon.com/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a></p><p><a href=\"https://www.biorxiv.org/content/10.1101/2025.06.02.657398v1\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">biorxiv.org/content/10.1101/20</span><span class=\"invisible\">25.06.02.657398v1</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://bookstodon.com/tags/immunology", "name": "#immunology" }, { "type": "Hashtag", "href": "https://bookstodon.com/tags/science", "name": "#science" } ], "replies": { "id": "https://bookstodon.com/users/BOOKidealist/statuses/114723060060531762/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://bookstodon.com/users/BOOKidealist/statuses/114723060060531762/replies?only_other_accounts=true&page=true", "partOf": "https://bookstodon.com/users/BOOKidealist/statuses/114723060060531762/replies", "items": [] } }, "likes": { "id": "https://bookstodon.com/users/BOOKidealist/statuses/114723060060531762/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://bookstodon.com/users/BOOKidealist/statuses/114723060060531762/shares", "type": "Collection", "totalItems": 0 } }