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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" } } ], "id": "https://mastodon.social/users/brave/collections/featured", "type": "OrderedCollection", "totalItems": 2, "orderedItems": [ { "id": "https://mastodon.social/users/brave/statuses/114270023454566781", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-02T19:29:44Z", "url": "https://mastodon.social/@brave/114270023454566781", "attributedTo": "https://mastodon.social/users/brave", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/brave/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/brave/statuses/114270023454566781", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-02:objectId=962215603:objectType=Conversation", "content": "<p>Split view is here! 🎉 </p><p>You can now look at two websites side-by-side in the browser.</p><p>Really handy with tasks like...</p><p>🛍️ Comparing two products<br />⚾️ Reading stats while watching sports<br /> #⃣ Monitoring your social feeds<br /> 🍳 Taking notes on a cooking video</p><p>Here&#39;s how to use it:</p><p>A) Right-click a tab and select &quot;New split view.&quot;</p><p>B) Right-click a link and select &quot;Open link in split view.&quot;</p><p>C) Select two tabs, right-click and choose &quot;Open in split view.&quot;</p>", "contentMap": { "en": "<p>Split view is here! 🎉 </p><p>You can now look at two websites side-by-side in the browser.</p><p>Really handy with tasks like...</p><p>🛍️ Comparing two products<br />⚾️ Reading stats while watching sports<br /> #⃣ Monitoring your social feeds<br /> 🍳 Taking notes on a cooking video</p><p>Here&#39;s how to use it:</p><p>A) Right-click a tab and select &quot;New split view.&quot;</p><p>B) Right-click a link and select &quot;Open link in split view.&quot;</p><p>C) Select two tabs, right-click and choose &quot;Open in split view.&quot;</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/270/022/955/469/523/original/ad3ff73d43005c52.png", "name": null, "blurhash": "UH9@-WMakss;tnV{ofbE8_x_VrWWMvxradf9", "width": 1920, "height": 1032 } ], "tag": [], "replies": { "id": "https://mastodon.social/users/brave/statuses/114270023454566781/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/brave/statuses/114270023454566781/replies?min_id=114270026978101542&page=true", "partOf": "https://mastodon.social/users/brave/statuses/114270023454566781/replies", "items": [ "https://mastodon.social/users/brave/statuses/114270026978101542" ] } }, "likes": { "id": "https://mastodon.social/users/brave/statuses/114270023454566781/likes", "type": "Collection", "totalItems": 39 }, "shares": { "id": "https://mastodon.social/users/brave/statuses/114270023454566781/shares", "type": "Collection", "totalItems": 10 } }, { "id": "https://mastodon.social/users/brave/statuses/113487489815029416", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-11-15T14:41:08Z", "url": "https://mastodon.social/@brave/113487489815029416", "attributedTo": "https://mastodon.social/users/brave", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/brave/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/brave/statuses/113487489815029416", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2024-11-15:objectId=848851296:objectType=Conversation", "content": "<p>Brave’s built-in VPN was updated on desktop and mobile with new features and improvements!</p><p>There’s a lot to cover so let’s dig in… 🧵</p>", "contentMap": { "en": "<p>Brave’s built-in VPN was updated on desktop and mobile with new features and improvements!</p><p>There’s a lot to cover so let’s dig in… 🧵</p>" }, "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://files.mastodon.social/media_attachments/files/113/487/486/690/829/162/original/10779389e6ff8321.mp4", "name": null, "blurhash": "U35Xx[^kQ-^+-V^k^+-pMd?H~W$*-ps:nixu", "width": 1920, "height": 1080 } ], "tag": [], "replies": { "id": "https://mastodon.social/users/brave/statuses/113487489815029416/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/brave/statuses/113487489815029416/replies?min_id=113487490342592017&page=true", "partOf": "https://mastodon.social/users/brave/statuses/113487489815029416/replies", "items": [ "https://mastodon.social/users/brave/statuses/113487490342592017" ] } }, "likes": { "id": "https://mastodon.social/users/brave/statuses/113487489815029416/likes", "type": "Collection", "totalItems": 12 }, "shares": { "id": "https://mastodon.social/users/brave/statuses/113487489815029416/shares", "type": "Collection", "totalItems": 2 } } ] }