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.nzoss.nz/users/strypey/statuses/114803761351131294", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.nzoss.nz/users/strypey/statuses/114803756391777367", "published": "2025-07-06T01:46:18Z", "url": "https://mastodon.nzoss.nz/@strypey/114803761351131294", "attributedTo": "https://mastodon.nzoss.nz/users/strypey", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.nzoss.nz/users/strypey/followers" ], "sensitive": false, "atomUri": "https://mastodon.nzoss.nz/users/strypey/statuses/114803761351131294", "inReplyToAtomUri": "https://mastodon.nzoss.nz/users/strypey/statuses/114803756391777367", "conversation": "tag:mastodon.nzoss.nz,2025-06-30:objectId=25057099:objectType=Conversation", "content": "<p>That post took ages! I would really love <a href=\"https://mastodon.nzoss.nz/tags/PeerTube\" class=\"mention hashtag\" rel=\"tag\">#<span>PeerTube</span></a> to have a feature for posting clip+comment as a reply. So I could;</p><p>* Enter a start time and end time (or even better, using a visual selector on the video timeline)</p><p>* Enter my comment</p><p>* Enter my fediverse address. Either using the familiar WebFinger handle; @me@social.service, or URL that handle points to (the Actor ID in the ActivityPub spec)</p><p>* Click Reply</p><p>* PT sends that to the server hosting my account, which asks my permission to post it as me</p>", "contentMap": { "en": "<p>That post took ages! I would really love <a href=\"https://mastodon.nzoss.nz/tags/PeerTube\" class=\"mention hashtag\" rel=\"tag\">#<span>PeerTube</span></a> to have a feature for posting clip+comment as a reply. So I could;</p><p>* Enter a start time and end time (or even better, using a visual selector on the video timeline)</p><p>* Enter my comment</p><p>* Enter my fediverse address. Either using the familiar WebFinger handle; @me@social.service, or URL that handle points to (the Actor ID in the ActivityPub spec)</p><p>* Click Reply</p><p>* PT sends that to the server hosting my account, which asks my permission to post it as me</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.nzoss.nz/tags/peertube", "name": "#peertube" } ], "replies": { "id": "https://mastodon.nzoss.nz/users/strypey/statuses/114803761351131294/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.nzoss.nz/users/strypey/statuses/114803761351131294/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.nzoss.nz/users/strypey/statuses/114803761351131294/replies", "items": [] } }, "likes": { "id": "https://mastodon.nzoss.nz/users/strypey/statuses/114803761351131294/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.nzoss.nz/users/strypey/statuses/114803761351131294/shares", "type": "Collection", "totalItems": 0 } }