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.social/users/lobsters/statuses/114529272802519253", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-18T14:20:15Z", "url": "https://mastodon.social/@lobsters/114529272802519253", "attributedTo": "https://mastodon.social/users/lobsters", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/lobsters/followers", "https://social.treehouse.systems/users/RunxiYu" ], "sensitive": false, "atomUri": "https://mastodon.social/users/lobsters/statuses/114529272802519253", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-18:objectId=1000258048:objectType=Conversation", "content": "<p>Working with git Patches in Apple Mail (2023) via <span class=\"h-card\" translate=\"no\"><a href=\"https://social.treehouse.systems/@RunxiYu\" class=\"u-url mention\">@<span>RunxiYu</span></a></span> <a href=\"https://lobste.rs/s/x657ku\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">lobste.rs/s/x657ku</span><span class=\"invisible\"></span></a> <a href=\"https://mastodon.social/tags/mac\" class=\"mention hashtag\" rel=\"tag\">#<span>mac</span></a> <a href=\"https://mastodon.social/tags/vcs\" class=\"mention hashtag\" rel=\"tag\">#<span>vcs</span></a><br /><a href=\"https://btxx.org/posts/mail/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">btxx.org/posts/mail/</span><span class=\"invisible\"></span></a></p>", "contentMap": { "en": "<p>Working with git Patches in Apple Mail (2023) via <span class=\"h-card\" translate=\"no\"><a href=\"https://social.treehouse.systems/@RunxiYu\" class=\"u-url mention\">@<span>RunxiYu</span></a></span> <a href=\"https://lobste.rs/s/x657ku\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">lobste.rs/s/x657ku</span><span class=\"invisible\"></span></a> <a href=\"https://mastodon.social/tags/mac\" class=\"mention hashtag\" rel=\"tag\">#<span>mac</span></a> <a href=\"https://mastodon.social/tags/vcs\" class=\"mention hashtag\" rel=\"tag\">#<span>vcs</span></a><br /><a href=\"https://btxx.org/posts/mail/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">btxx.org/posts/mail/</span><span class=\"invisible\"></span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://social.treehouse.systems/users/RunxiYu", "name": "@RunxiYu@treehouse.systems" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mac", "name": "#mac" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/vcs", "name": "#vcs" } ], "replies": { "id": "https://mastodon.social/users/lobsters/statuses/114529272802519253/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/lobsters/statuses/114529272802519253/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/lobsters/statuses/114529272802519253/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/lobsters/statuses/114529272802519253/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/lobsters/statuses/114529272802519253/shares", "type": "Collection", "totalItems": 0 } }