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://hci.social/users/bwaber/statuses/114753036341586686", "type": "Note", "summary": null, "inReplyTo": "https://hci.social/users/bwaber/statuses/114753036322437485", "published": "2025-06-27T02:46:15Z", "url": "https://hci.social/@bwaber/114753036341586686", "attributedTo": "https://hci.social/users/bwaber", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://hci.social/users/bwaber/followers", "https://mastodon.social/users/philipcball" ], "sensitive": false, "atomUri": "https://hci.social/users/bwaber/statuses/114753036341586686", "inReplyToAtomUri": "https://hci.social/users/bwaber/statuses/114753036322437485", "conversation": "tag:hci.social,2025-06-27:objectId=43105454:objectType=Conversation", "content": "<p>Last was &quot;How Life Works&quot; by <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@philipcball\" class=\"u-url mention\">@<span>philipcball</span></a></span>. Ball builds an understanding of biology from the ground up, starting at genes, building up to proteins, cells, and tissues, and finally bodies. This is a nuanced but scientifically rigorous exploration, and Ball isn&#39;t shy about expressing uncertainty when it exists, or noting that understanding of these processes is likely to change over time. Highly recommend</p><p>Full review: <a href=\"https://bookwyrm.social/user/bwaber/review/7811295/s/a-fantastic-exploration-of-biology#anchor-7811295\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bookwyrm.social/user/bwaber/re</span><span class=\"invisible\">view/7811295/s/a-fantastic-exploration-of-biology#anchor-7811295</span></a> (4/4) <a href=\"https://hci.social/tags/biology\" class=\"mention hashtag\" rel=\"tag\">#<span>biology</span></a></p>", "contentMap": { "en": "<p>Last was &quot;How Life Works&quot; by <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@philipcball\" class=\"u-url mention\">@<span>philipcball</span></a></span>. Ball builds an understanding of biology from the ground up, starting at genes, building up to proteins, cells, and tissues, and finally bodies. This is a nuanced but scientifically rigorous exploration, and Ball isn&#39;t shy about expressing uncertainty when it exists, or noting that understanding of these processes is likely to change over time. Highly recommend</p><p>Full review: <a href=\"https://bookwyrm.social/user/bwaber/review/7811295/s/a-fantastic-exploration-of-biology#anchor-7811295\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bookwyrm.social/user/bwaber/re</span><span class=\"invisible\">view/7811295/s/a-fantastic-exploration-of-biology#anchor-7811295</span></a> (4/4) <a href=\"https://hci.social/tags/biology\" class=\"mention hashtag\" rel=\"tag\">#<span>biology</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/philipcball", "name": "@philipcball@mastodon.social" }, { "type": "Hashtag", "href": "https://hci.social/tags/biology", "name": "#biology" } ], "replies": { "id": "https://hci.social/users/bwaber/statuses/114753036341586686/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://hci.social/users/bwaber/statuses/114753036341586686/replies?only_other_accounts=true&page=true", "partOf": "https://hci.social/users/bwaber/statuses/114753036341586686/replies", "items": [] } }, "likes": { "id": "https://hci.social/users/bwaber/statuses/114753036341586686/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://hci.social/users/bwaber/statuses/114753036341586686/shares", "type": "Collection", "totalItems": 0 } }