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/vsoch/statuses/114650595191179026", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-09T00:34:07Z", "url": "https://mastodon.social/@vsoch/114650595191179026", "attributedTo": "https://mastodon.social/users/vsoch", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/vsoch/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/vsoch/statuses/114650595191179026", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-06-09:objectId=1018063098:objectType=Conversation", "content": "<p>A node galaxy explorer... that will eventually include <a href=\"https://mastodon.social/tags/HPC\" class=\"mention hashtag\" rel=\"tag\">#<span>HPC</span></a> nodes and map to compatibility specs for automated application selection based on node features! This is work in progress, but here are some notes.</p><p><a href=\"https://bsky.app/profile/vsoch.bsky.social/post/3lr54vizrl22u\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bsky.app/profile/vsoch.bsky.so</span><span class=\"invisible\">cial/post/3lr54vizrl22u</span></a></p>", "contentMap": { "en": "<p>A node galaxy explorer... that will eventually include <a href=\"https://mastodon.social/tags/HPC\" class=\"mention hashtag\" rel=\"tag\">#<span>HPC</span></a> nodes and map to compatibility specs for automated application selection based on node features! This is work in progress, but here are some notes.</p><p><a href=\"https://bsky.app/profile/vsoch.bsky.social/post/3lr54vizrl22u\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bsky.app/profile/vsoch.bsky.so</span><span class=\"invisible\">cial/post/3lr54vizrl22u</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/hpc", "name": "#hpc" } ], "replies": { "id": "https://mastodon.social/users/vsoch/statuses/114650595191179026/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/vsoch/statuses/114650595191179026/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/vsoch/statuses/114650595191179026/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/vsoch/statuses/114650595191179026/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.social/users/vsoch/statuses/114650595191179026/shares", "type": "Collection", "totalItems": 0 } }