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/lck/statuses/114264995603713539", "type": "Note", "summary": null, "inReplyTo": "https://fosstodon.org/users/tarsius/statuses/114264197708914071", "published": "2025-04-01T22:11:05Z", "url": "https://mastodon.nl/@lck/114264995603713539", "attributedTo": "https://mastodon.nl/users/lck", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.nl/users/lck/followers", "https://fosstodon.org/users/tarsius" ], "sensitive": false, "atomUri": "https://mastodon.nl/users/lck/statuses/114264995603713539", "inReplyToAtomUri": "https://fosstodon.org/users/tarsius/statuses/114264197708914071", "conversation": "tag:fosstodon.org,2025-04-01:objectId=303392416:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@tarsius\" class=\"u-url mention\">@<span>tarsius</span></a></span> Thanks a lot for your invaluable contributions to <a href=\"https://mastodon.nl/tags/Emacs\" class=\"mention hashtag\" rel=\"tag\">#<span>Emacs</span></a>, Jonas! Much appreciated as always. 🙏<br />Where would I be without <a href=\"https://mastodon.nl/tags/Magit\" class=\"mention hashtag\" rel=\"tag\">#<span>Magit</span></a>? Probably wrestling with the CLI... </p><p>As I mainly use <a href=\"https://mastodon.nl/tags/GitLab\" class=\"mention hashtag\" rel=\"tag\">#<span>GitLab</span></a>, I&#39;ll be looking forward to the upcoming Forge releases!</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@tarsius\" class=\"u-url mention\">@<span>tarsius</span></a></span> Thanks a lot for your invaluable contributions to <a href=\"https://mastodon.nl/tags/Emacs\" class=\"mention hashtag\" rel=\"tag\">#<span>Emacs</span></a>, Jonas! Much appreciated as always. 🙏<br />Where would I be without <a href=\"https://mastodon.nl/tags/Magit\" class=\"mention hashtag\" rel=\"tag\">#<span>Magit</span></a>? Probably wrestling with the CLI... </p><p>As I mainly use <a href=\"https://mastodon.nl/tags/GitLab\" class=\"mention hashtag\" rel=\"tag\">#<span>GitLab</span></a>, I&#39;ll be looking forward to the upcoming Forge releases!</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://fosstodon.org/users/tarsius", "name": "@tarsius@fosstodon.org" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/gitlab", "name": "#gitlab" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/magit", "name": "#magit" }, { "type": "Hashtag", "href": "https://mastodon.nl/tags/emacs", "name": "#emacs" } ], "replies": { "id": "https://mastodon.nl/users/lck/statuses/114264995603713539/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.nl/users/lck/statuses/114264995603713539/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.nl/users/lck/statuses/114264995603713539/replies", "items": [] } } }