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://htt.social/users/tisha/statuses/114755482553695048", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-27T13:08:22Z", "url": "https://htt.social/@tisha/114755482553695048", "attributedTo": "https://htt.social/users/tisha", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://htt.social/users/tisha/followers" ], "sensitive": false, "atomUri": "https://htt.social/users/tisha/statuses/114755482553695048", "inReplyToAtomUri": null, "conversation": "tag:htt.social,2025-06-27:objectId=3901169:objectType=Conversation", "content": "<p>Have we just solved the mystery of dark matter? I never thought I&#39;d see this in my lifetime! 🙀</p><p>➡️ <a href=\"https://www.nature.com/articles/s41550-025-02566-y\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">nature.com/articles/s41550-025</span><span class=\"invisible\">-02566-y</span></a></p><p><a href=\"https://htt.social/tags/darkMatter\" class=\"mention hashtag\" rel=\"tag\">#<span>darkMatter</span></a> <a href=\"https://htt.social/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://htt.social/tags/cosmology\" class=\"mention hashtag\" rel=\"tag\">#<span>cosmology</span></a> <a href=\"https://htt.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a></p>", "contentMap": { "en": "<p>Have we just solved the mystery of dark matter? I never thought I&#39;d see this in my lifetime! 🙀</p><p>➡️ <a href=\"https://www.nature.com/articles/s41550-025-02566-y\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">nature.com/articles/s41550-025</span><span class=\"invisible\">-02566-y</span></a></p><p><a href=\"https://htt.social/tags/darkMatter\" class=\"mention hashtag\" rel=\"tag\">#<span>darkMatter</span></a> <a href=\"https://htt.social/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://htt.social/tags/cosmology\" class=\"mention hashtag\" rel=\"tag\">#<span>cosmology</span></a> <a href=\"https://htt.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://htt.social/tags/darkmatter", "name": "#darkmatter" }, { "type": "Hashtag", "href": "https://htt.social/tags/astronomy", "name": "#astronomy" }, { "type": "Hashtag", "href": "https://htt.social/tags/cosmology", "name": "#cosmology" }, { "type": "Hashtag", "href": "https://htt.social/tags/science", "name": "#science" } ], "replies": { "id": "https://htt.social/users/tisha/statuses/114755482553695048/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://htt.social/users/tisha/statuses/114755482553695048/replies?only_other_accounts=true&page=true", "partOf": "https://htt.social/users/tisha/statuses/114755482553695048/replies", "items": [] } }, "likes": { "id": "https://htt.social/users/tisha/statuses/114755482553695048/likes", "type": "Collection", "totalItems": 6 }, "shares": { "id": "https://htt.social/users/tisha/statuses/114755482553695048/shares", "type": "Collection", "totalItems": 5 } }