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/ohmbudsman/statuses/114739208059002116", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/ohmbudsman/statuses/114739208017966101", "published": "2025-06-24T16:09:33Z", "url": "https://mastodon.social/@ohmbudsman/114739208059002116", "attributedTo": "https://mastodon.social/users/ohmbudsman", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/ohmbudsman/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/ohmbudsman/statuses/114739208059002116", "inReplyToAtomUri": "https://mastodon.social/users/ohmbudsman/statuses/114739208017966101", "conversation": "tag:mastodon.social,2025-06-24:objectId=1031355526:objectType=Conversation", "content": "<p>7/ 🛡️ Google deploys multi-layered LLM defenses. Classifiers, confirmations, spotlights.<br />🔗 <a href=\"https://read.readwise.io/archive/read/01jyecm9hyxs3yjdaeg4psdvns\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">read.readwise.io/archive/read/</span><span class=\"invisible\">01jyecm9hyxs3yjdaeg4psdvns</span></a><br /><a href=\"https://mastodon.social/tags/Google\" class=\"mention hashtag\" rel=\"tag\">#<span>Google</span></a> <a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.social/tags/promptinjection\" class=\"mention hashtag\" rel=\"tag\">#<span>promptinjection</span></a></p>", "contentMap": { "en": "<p>7/ 🛡️ Google deploys multi-layered LLM defenses. Classifiers, confirmations, spotlights.<br />🔗 <a href=\"https://read.readwise.io/archive/read/01jyecm9hyxs3yjdaeg4psdvns\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">read.readwise.io/archive/read/</span><span class=\"invisible\">01jyecm9hyxs3yjdaeg4psdvns</span></a><br /><a href=\"https://mastodon.social/tags/Google\" class=\"mention hashtag\" rel=\"tag\">#<span>Google</span></a> <a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.social/tags/promptinjection\" class=\"mention hashtag\" rel=\"tag\">#<span>promptinjection</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/google", "name": "#google" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/promptinjection", "name": "#promptinjection" } ], "replies": { "id": "https://mastodon.social/users/ohmbudsman/statuses/114739208059002116/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/ohmbudsman/statuses/114739208059002116/replies?min_id=114739208091118547&page=true", "partOf": "https://mastodon.social/users/ohmbudsman/statuses/114739208059002116/replies", "items": [ "https://mastodon.social/users/ohmbudsman/statuses/114739208091118547" ] } }, "likes": { "id": "https://mastodon.social/users/ohmbudsman/statuses/114739208059002116/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/ohmbudsman/statuses/114739208059002116/shares", "type": "Collection", "totalItems": 0 } }