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.

Open in browser →
{ "@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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/allscientifical/statuses/114609064545574002", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-01T16:32:20Z", "url": "https://mastodon.social/@allscientifical/114609064545574002", "attributedTo": "https://mastodon.social/users/allscientifical", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/allscientifical/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/allscientifical/statuses/114609064545574002", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-06-01:objectId=1011949878:objectType=Conversation", "content": "<p>Christiane Nusslein-Volhard - Nobel prize - genetic control in early stages of embryonic development</p><p>Christiane Nüsslein-Volhard - German biologist.<br />Nobel Prize (1995) - For discoveries concerning genetic control in the early stages of embryonic development (together with E. Lewis and E. Wieschaus).<br />She also gained fame as the discoverer of the toll gene, which led to the discovery of toll-like receptors.</p><p><a href=\"https://mastodon.social/tags/nobelprize\" class=\"mention hashtag\" rel=\"tag\">#<span>nobelprize</span></a> <a href=\"https://mastodon.social/tags/tollgene\" class=\"mention hashtag\" rel=\"tag\">#<span>tollgene</span></a> <a href=\"https://mastodon.social/tags/tolllikereceptors\" class=\"mention hashtag\" rel=\"tag\">#<span>tolllikereceptors</span></a> <a href=\"https://mastodon.social/tags/genetics\" class=\"mention hashtag\" rel=\"tag\">#<span>genetics</span></a></p>", "contentMap": { "ru": "<p>Christiane Nusslein-Volhard - Nobel prize - genetic control in early stages of embryonic development</p><p>Christiane Nüsslein-Volhard - German biologist.<br />Nobel Prize (1995) - For discoveries concerning genetic control in the early stages of embryonic development (together with E. Lewis and E. Wieschaus).<br />She also gained fame as the discoverer of the toll gene, which led to the discovery of toll-like receptors.</p><p><a href=\"https://mastodon.social/tags/nobelprize\" class=\"mention hashtag\" rel=\"tag\">#<span>nobelprize</span></a> <a href=\"https://mastodon.social/tags/tollgene\" class=\"mention hashtag\" rel=\"tag\">#<span>tollgene</span></a> <a href=\"https://mastodon.social/tags/tolllikereceptors\" class=\"mention hashtag\" rel=\"tag\">#<span>tolllikereceptors</span></a> <a href=\"https://mastodon.social/tags/genetics\" class=\"mention hashtag\" rel=\"tag\">#<span>genetics</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://files.mastodon.social/media_attachments/files/114/609/062/584/923/802/original/ff53be861aefe7c8.mp4", "name": "Christiane Nusslein-Volhard - Nobel prize - genetic control in early stages of embryonic development\n\nChristiane Nüsslein-Volhard - German biologist.\nNobel Prize (1995) - For discoveries concerning genetic control in the early stages of embryonic development (together with E. Lewis and E. Wieschaus).\nShe also gained fame as the discoverer of the toll gene, which led to the discovery of toll-like receptors.", "blurhash": "UA8XXr8zk.xZ-qtPRQWU8{.QIBR*?tMzX4s:", "width": 1080, "height": 1080 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/nobelprize", "name": "#nobelprize" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/tollgene", "name": "#tollgene" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/tolllikereceptors", "name": "#tolllikereceptors" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/genetics", "name": "#genetics" } ], "replies": { "id": "https://mastodon.social/users/allscientifical/statuses/114609064545574002/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/allscientifical/statuses/114609064545574002/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/allscientifical/statuses/114609064545574002/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/allscientifical/statuses/114609064545574002/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/allscientifical/statuses/114609064545574002/shares", "type": "Collection", "totalItems": 1 } }