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" }, "Hashtag": "as:Hashtag" } ], "id": "https://floss.social/users/doctormo/statuses/114671271781863173", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-12T16:12:27Z", "url": "https://floss.social/@doctormo/114671271781863173", "attributedTo": "https://floss.social/users/doctormo", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://floss.social/users/doctormo/followers" ], "sensitive": false, "atomUri": "https://floss.social/users/doctormo/statuses/114671271781863173", "inReplyToAtomUri": null, "conversation": "tag:floss.social,2025-06-12:objectId=90012842:objectType=Conversation", "content": "<p>This is the most &quot;this could have been an email&quot; energy I&#39;ve seen in a merge request review.</p><p><a href=\"https://floss.social/tags/cpp\" class=\"mention hashtag\" rel=\"tag\">#<span>cpp</span></a> <a href=\"https://floss.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://floss.social/tags/codereview\" class=\"mention hashtag\" rel=\"tag\">#<span>codereview</span></a></p>", "contentMap": { "en": "<p>This is the most &quot;this could have been an email&quot; energy I&#39;ve seen in a merge request review.</p><p><a href=\"https://floss.social/tags/cpp\" class=\"mention hashtag\" rel=\"tag\">#<span>cpp</span></a> <a href=\"https://floss.social/tags/programming\" class=\"mention hashtag\" rel=\"tag\">#<span>programming</span></a> <a href=\"https://floss.social/tags/codereview\" class=\"mention hashtag\" rel=\"tag\">#<span>codereview</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://cdn.masto.host/floss/media_attachments/files/114/670/996/705/568/539/original/1da159ec11471a3d.png", "name": "A code review diff with red and green lines indicating deletions and additions.\n\n- width = std::min(width, dpi * 20);\n+ width = std::max(std::min(width, dpi * 20), 1.0);\n\n\"That could have been a std::clamp\"", "blurhash": "ULRfa-RP%2%3+cs:xaV[;BM{eobF_NoyWVfR", "focalPoint": [ -1, 0.05 ], "width": 521, "height": 105 } ], "tag": [ { "type": "Hashtag", "href": "https://floss.social/tags/Cpp", "name": "#Cpp" }, { "type": "Hashtag", "href": "https://floss.social/tags/programming", "name": "#programming" }, { "type": "Hashtag", "href": "https://floss.social/tags/codereview", "name": "#codereview" } ], "replies": { "id": "https://floss.social/users/doctormo/statuses/114671271781863173/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://floss.social/users/doctormo/statuses/114671271781863173/replies?only_other_accounts=true&page=true", "partOf": "https://floss.social/users/doctormo/statuses/114671271781863173/replies", "items": [] } }, "likes": { "id": "https://floss.social/users/doctormo/statuses/114671271781863173/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://floss.social/users/doctormo/statuses/114671271781863173/shares", "type": "Collection", "totalItems": 0 } }