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.nl/users/muzicofiel/statuses/114343188029240710", "type": "Note", "summary": null, "inReplyTo": "https://social.vivaldi.net/users/jon/statuses/114342376436686173", "published": "2025-04-15T17:36:26Z", "url": "https://mastodon.nl/@muzicofiel/114343188029240710", "attributedTo": "https://mastodon.nl/users/muzicofiel", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.nl/users/muzicofiel/followers", "https://social.vivaldi.net/users/jon" ], "sensitive": false, "atomUri": "https://mastodon.nl/users/muzicofiel/statuses/114343188029240710", "inReplyToAtomUri": "https://social.vivaldi.net/users/jon/statuses/114342376436686173", "conversation": "tag:vivaldi.net,2025-04-15:objectId=268317858:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://social.vivaldi.net/@jon\" class=\"u-url mention\">@<span>jon</span></a></span> <a href=\"https://mastodon.nl/tags/diasable\" class=\"mention hashtag\" rel=\"tag\">#<span>diasable</span></a> <a href=\"https://mastodon.nl/tags/recall\" class=\"mention hashtag\" rel=\"tag\">#<span>recall</span></a> in <a href=\"https://mastodon.nl/tags/windows\" class=\"mention hashtag\" rel=\"tag\">#<span>windows</span></a> and <a href=\"https://mastodon.nl/tags/microsoft365\" class=\"mention hashtag\" rel=\"tag\">#<span>microsoft365</span></a> if still insist in using this <a href=\"https://mastodon.nl/tags/os\" class=\"mention hashtag\" rel=\"tag\">#<span>os</span></a> en <a href=\"https://mastodon.nl/tags/office\" class=\"mention hashtag\" rel=\"tag\">#<span>office</span></a> better <a href=\"https://mastodon.nl/tags/SwitchToEu\" class=\"mention hashtag\" rel=\"tag\">#<span>SwitchToEu</span></a> <a href=\"https://mastodon.nl/tags/linux\" class=\"mention hashtag\" rel=\"tag\">#<span>linux</span></a> <a href=\"https://mastodon.nl/tags/harmony\" class=\"mention hashtag\" rel=\"tag\">#<span>harmony</span></a> <a href=\"https://mastodon.nl/tags/libreoffice\" class=\"mention hashtag\" rel=\"tag\">#<span>libreoffice</span></a></p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://social.vivaldi.net/@jon\" class=\"u-url mention\">@<span>jon</span></a></span> <a href=\"https://mastodon.nl/tags/diasable\" class=\"mention hashtag\" rel=\"tag\">#<span>diasable</span></a> <a href=\"https://mastodon.nl/tags/recall\" class=\"mention hashtag\" rel=\"tag\">#<span>recall</span></a> in <a href=\"https://mastodon.nl/tags/windows\" class=\"mention hashtag\" rel=\"tag\">#<span>windows</span></a> and <a href=\"https://mastodon.nl/tags/microsoft365\" class=\"mention hashtag\" rel=\"tag\">#<span>microsoft365</span></a> if still insist in using this <a href=\"https://mastodon.nl/tags/os\" class=\"mention hashtag\" rel=\"tag\">#<span>os</span></a> en <a href=\"https://mastodon.nl/tags/office\" class=\"mention hashtag\" rel=\"tag\">#<span>office</span></a> better <a href=\"https://mastodon.nl/tags/SwitchToEu\" class=\"mention hashtag\" rel=\"tag\">#<span>SwitchToEu</span></a> <a href=\"https://mastodon.nl/tags/linux\" class=\"mention hashtag\" rel=\"tag\">#<span>linux</span></a> <a href=\"https://mastodon.nl/tags/harmony\" class=\"mention hashtag\" rel=\"tag\">#<span>harmony</span></a> <a href=\"https://mastodon.nl/tags/libreoffice\" class=\"mention hashtag\" rel=\"tag\">#<span>libreoffice</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://social.vivaldi.net/users/jon", "name": "@jon@vivaldi.net" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/libreoffice", "name": "#libreoffice" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/harmony", "name": "#harmony" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/linux", "name": "#linux" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/switchtoeu", "name": "#switchtoeu" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/office", "name": "#office" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/os", "name": "#os" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/microsoft365", "name": "#microsoft365" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/windows", "name": "#windows" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/recall", "name": "#recall" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/diasable", "name": "#diasable" } ], "replies": { "id": "https://mastodon.nl/users/muzicofiel/statuses/114343188029240710/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.nl/users/muzicofiel/statuses/114343188029240710/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.nl/users/muzicofiel/statuses/114343188029240710/replies", "items": [] } } }