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://mast.hpc.social/users/cfultz/statuses/114810197665705383", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-07-07T05:03:08Z", "url": "https://mast.hpc.social/@cfultz/114810197665705383", "attributedTo": "https://mast.hpc.social/users/cfultz", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mast.hpc.social/users/cfultz/followers" ], "sensitive": false, "atomUri": "https://mast.hpc.social/users/cfultz/statuses/114810197665705383", "inReplyToAtomUri": null, "conversation": "tag:mast.hpc.social,2025-07-07:objectId=18939299:objectType=Conversation", "content": "<p>Sorry for the random posts and deletions, I&#39;m testing some <a href=\"https://mast.hpc.social/tags/python\" class=\"mention hashtag\" rel=\"tag\">#<span>python</span></a> code for a <a href=\"https://mast.hpc.social/tags/Steam\" class=\"mention hashtag\" rel=\"tag\">#<span>Steam</span></a> <a href=\"https://mast.hpc.social/tags/bot\" class=\"mention hashtag\" rel=\"tag\">#<span>bot</span></a>!</p>", "contentMap": { "en": "<p>Sorry for the random posts and deletions, I&#39;m testing some <a href=\"https://mast.hpc.social/tags/python\" class=\"mention hashtag\" rel=\"tag\">#<span>python</span></a> code for a <a href=\"https://mast.hpc.social/tags/Steam\" class=\"mention hashtag\" rel=\"tag\">#<span>Steam</span></a> <a href=\"https://mast.hpc.social/tags/bot\" class=\"mention hashtag\" rel=\"tag\">#<span>bot</span></a>!</p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mast.hpc.social/tags/python", "name": "#python" }, { "type": "Hashtag", "href": "https://mast.hpc.social/tags/steam", "name": "#steam" }, { "type": "Hashtag", "href": "https://mast.hpc.social/tags/bot", "name": "#bot" } ], "replies": { "id": "https://mast.hpc.social/users/cfultz/statuses/114810197665705383/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mast.hpc.social/users/cfultz/statuses/114810197665705383/replies?only_other_accounts=true&page=true", "partOf": "https://mast.hpc.social/users/cfultz/statuses/114810197665705383/replies", "items": [] } }, "likes": { "id": "https://mast.hpc.social/users/cfultz/statuses/114810197665705383/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mast.hpc.social/users/cfultz/statuses/114810197665705383/shares", "type": "Collection", "totalItems": 2 } }