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://mstdn.social/users/fedihost/statuses/114077818568137704", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-02-27T20:49:30Z", "url": "https://mstdn.social/@fedihost/114077818568137704", "attributedTo": "https://mstdn.social/users/fedihost", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.social/users/fedihost/followers" ], "sensitive": false, "atomUri": "https://mstdn.social/users/fedihost/statuses/114077818568137704", "inReplyToAtomUri": null, "conversation": "tag:mstdn.social,2025-02-27:objectId=516873436:objectType=Conversation", "content": "<p><a href=\"https://fedihost.co\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">fedihost.co</span><span class=\"invisible\"></span></a> <a href=\"https://mstdn.social/tags/Mastodon\" class=\"mention hashtag\" rel=\"tag\">#<span>Mastodon</span></a> instances have been updated to v4.3.4</p><p>This release contains some bug and security fixes.</p><p>Learn more about this release here:<br /><a href=\"https://github.com/mastodon/mastodon/releases/tag/v4.3.4\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/mastodon/mastodon/r</span><span class=\"invisible\">eleases/tag/v4.3.4</span></a></p><p><a href=\"https://mstdn.social/tags/hosting\" class=\"mention hashtag\" rel=\"tag\">#<span>hosting</span></a> <a href=\"https://mstdn.social/tags/SelfHosting\" class=\"mention hashtag\" rel=\"tag\">#<span>SelfHosting</span></a> <a href=\"https://mstdn.social/tags/GetFederated\" class=\"mention hashtag\" rel=\"tag\">#<span>GetFederated</span></a> <a href=\"https://mstdn.social/tags/ActivityPub\" class=\"mention hashtag\" rel=\"tag\">#<span>ActivityPub</span></a> <a href=\"https://mstdn.social/tags/Fediverse\" class=\"mention hashtag\" rel=\"tag\">#<span>Fediverse</span></a></p>", "contentMap": { "en": "<p><a href=\"https://fedihost.co\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">fedihost.co</span><span class=\"invisible\"></span></a> <a href=\"https://mstdn.social/tags/Mastodon\" class=\"mention hashtag\" rel=\"tag\">#<span>Mastodon</span></a> instances have been updated to v4.3.4</p><p>This release contains some bug and security fixes.</p><p>Learn more about this release here:<br /><a href=\"https://github.com/mastodon/mastodon/releases/tag/v4.3.4\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/mastodon/mastodon/r</span><span class=\"invisible\">eleases/tag/v4.3.4</span></a></p><p><a href=\"https://mstdn.social/tags/hosting\" class=\"mention hashtag\" rel=\"tag\">#<span>hosting</span></a> <a href=\"https://mstdn.social/tags/SelfHosting\" class=\"mention hashtag\" rel=\"tag\">#<span>SelfHosting</span></a> <a href=\"https://mstdn.social/tags/GetFederated\" class=\"mention hashtag\" rel=\"tag\">#<span>GetFederated</span></a> <a href=\"https://mstdn.social/tags/ActivityPub\" class=\"mention hashtag\" rel=\"tag\">#<span>ActivityPub</span></a> <a href=\"https://mstdn.social/tags/Fediverse\" class=\"mention hashtag\" rel=\"tag\">#<span>Fediverse</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mstdn.social/tags/Mastodon", "name": "#Mastodon" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/hosting", "name": "#hosting" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/SelfHosting", "name": "#SelfHosting" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/getfederated", "name": "#getfederated" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/ActivityPub", "name": "#ActivityPub" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/Fediverse", "name": "#Fediverse" } ], "replies": { "id": "https://mstdn.social/users/fedihost/statuses/114077818568137704/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.social/users/fedihost/statuses/114077818568137704/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.social/users/fedihost/statuses/114077818568137704/replies", "items": [] } }, "likes": { "id": "https://mstdn.social/users/fedihost/statuses/114077818568137704/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mstdn.social/users/fedihost/statuses/114077818568137704/shares", "type": "Collection", "totalItems": 1 } }