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/jesseplusplus/collections/featured", "type": "OrderedCollection", "totalItems": 2, "orderedItems": [ { "id": "https://mastodon.social/users/jesseplusplus/statuses/113891449411033309", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-25T22:53:22Z", "url": "https://mastodon.social/@jesseplusplus/113891449411033309", "attributedTo": "https://mastodon.social/users/jesseplusplus", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/jesseplusplus/followers", "https://frequency.app/users/frequency" ], "sensitive": false, "atomUri": "https://mastodon.social/users/jesseplusplus/statuses/113891449411033309", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-01-25:objectId=903823377:objectType=Conversation", "content": "<p>Hey everyone! I wanted to share a little bit about why I’m building <span class=\"h-card\" translate=\"no\"><a href=\"https://frequency.app/@frequency\" class=\"u-url mention\">@<span>frequency</span></a></span> and what we’re working on.</p><p>First, we’re a very small team of two—me as a full-time developer and a part-time designer moving toward full-time.</p><p>We strongly oppose the use of addictive, manipulative algorithms &amp; design patterns used by big platforms.  Rather than replicating familiar interfaces, we’re aiming to build a more intentional, mindful way of interacting with social media.</p>", "contentMap": { "en": "<p>Hey everyone! I wanted to share a little bit about why I’m building <span class=\"h-card\" translate=\"no\"><a href=\"https://frequency.app/@frequency\" class=\"u-url mention\">@<span>frequency</span></a></span> and what we’re working on.</p><p>First, we’re a very small team of two—me as a full-time developer and a part-time designer moving toward full-time.</p><p>We strongly oppose the use of addictive, manipulative algorithms &amp; design patterns used by big platforms.  Rather than replicating familiar interfaces, we’re aiming to build a more intentional, mindful way of interacting with social media.</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://frequency.app/users/frequency", "name": "@frequency@frequency.app" } ], "replies": { "id": "https://mastodon.social/users/jesseplusplus/statuses/113891449411033309/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/jesseplusplus/statuses/113891449411033309/replies?min_id=113891452204663878&page=true", "partOf": "https://mastodon.social/users/jesseplusplus/statuses/113891449411033309/replies", "items": [ "https://mastodon.social/users/jesseplusplus/statuses/113891452204663878" ] } }, "likes": { "id": "https://mastodon.social/users/jesseplusplus/statuses/113891449411033309/likes", "type": "Collection", "totalItems": 52 }, "shares": { "id": "https://mastodon.social/users/jesseplusplus/statuses/113891449411033309/shares", "type": "Collection", "totalItems": 30 } }, { "id": "https://mastodon.social/users/jesseplusplus/statuses/112051724082006251", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-03-07T01:07:01Z", "url": "https://mastodon.social/@jesseplusplus/112051724082006251", "attributedTo": "https://mastodon.social/users/jesseplusplus", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/jesseplusplus/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/jesseplusplus/statuses/112051724082006251", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2024-03-07:objectId=658343469:objectType=Conversation", "content": "<p>I wrote up a blog post outlining the steps I took to migrate a custom Mastodon fork from heroku to fly.io:</p><p><a href=\"https://jesseplusplus.com/blog/migrating-mastodon-fork-heroku-fly/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">jesseplusplus.com/blog/migrati</span><span class=\"invisible\">ng-mastodon-fork-heroku-fly/</span></a></p>", "contentMap": { "en": "<p>I wrote up a blog post outlining the steps I took to migrate a custom Mastodon fork from heroku to fly.io:</p><p><a href=\"https://jesseplusplus.com/blog/migrating-mastodon-fork-heroku-fly/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">jesseplusplus.com/blog/migrati</span><span class=\"invisible\">ng-mastodon-fork-heroku-fly/</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mastodon.social/users/jesseplusplus/statuses/112051724082006251/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/jesseplusplus/statuses/112051724082006251/replies?min_id=112051737117690030&page=true", "partOf": "https://mastodon.social/users/jesseplusplus/statuses/112051724082006251/replies", "items": [ "https://mastodon.social/users/jesseplusplus/statuses/112051737117690030" ] } }, "likes": { "id": "https://mastodon.social/users/jesseplusplus/statuses/112051724082006251/likes", "type": "Collection", "totalItems": 7 }, "shares": { "id": "https://mastodon.social/users/jesseplusplus/statuses/112051724082006251/shares", "type": "Collection", "totalItems": 5 } } ] }