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" } ], "id": "https://mastodon.social/users/alttexthalloffame/statuses/114643187870754263/replies", "type": "Collection", "first": { "id": "https://mastodon.social/users/alttexthalloffame/statuses/114643187870754263/replies?page=true", "type": "CollectionPage", "next": "https://mastodon.social/users/alttexthalloffame/statuses/114643187870754263/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/alttexthalloffame/statuses/114643187870754263/replies", "items": [ { "id": "https://mastodon.social/users/alttexthalloffame/statuses/114643192875792158", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/alttexthalloffame/statuses/114643187870754263", "published": "2025-06-07T17:11:37Z", "url": "https://mastodon.social/@alttexthalloffame/114643192875792158", "attributedTo": "https://mastodon.social/users/alttexthalloffame", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/alttexthalloffame/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/alttexthalloffame/statuses/114643192875792158", "inReplyToAtomUri": "https://mastodon.social/users/alttexthalloffame/statuses/114643187870754263", "conversation": "tag:mastodon.social,2025-06-07:objectId=1017069420:objectType=Conversation", "content": "<p>To learn more about why alt text is so important, and get some tips on how to write it, visit <a href=\"https://alttexthalloffame.org\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">alttexthalloffame.org</span><span class=\"invisible\"></span></a>!</p><p>And also check out <a href=\"https://stefanbohacek.com/blog/polls-about-alt-text-on-social-media/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">stefanbohacek.com/blog/polls-a</span><span class=\"invisible\">bout-alt-text-on-social-media/</span></a>!</p>", "contentMap": { "en": "<p>To learn more about why alt text is so important, and get some tips on how to write it, visit <a href=\"https://alttexthalloffame.org\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">alttexthalloffame.org</span><span class=\"invisible\"></span></a>!</p><p>And also check out <a href=\"https://stefanbohacek.com/blog/polls-about-alt-text-on-social-media/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">stefanbohacek.com/blog/polls-a</span><span class=\"invisible\">bout-alt-text-on-social-media/</span></a>!</p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mastodon.social/users/alttexthalloffame/statuses/114643192875792158/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/alttexthalloffame/statuses/114643192875792158/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/alttexthalloffame/statuses/114643192875792158/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/alttexthalloffame/statuses/114643192875792158/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mastodon.social/users/alttexthalloffame/statuses/114643192875792158/shares", "type": "Collection", "totalItems": 2 } } ] } }