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.top/users/frankel/collections/featured", "type": "OrderedCollection", "totalItems": 2, "orderedItems": [ { "id": "https://mastodon.top/users/frankel/statuses/114705537779381688", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-18T17:26:45Z", "url": "https://mastodon.top/@frankel/114705537779381688", "attributedTo": "https://mastodon.top/users/frankel", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.top/users/frankel/followers" ], "sensitive": false, "atomUri": "https://mastodon.top/users/frankel/statuses/114705537779381688", "inReplyToAtomUri": null, "conversation": "tag:mastodon.top,2025-06-18:objectId=101542144:objectType=Conversation", "content": "<p>Time flies; it&#39;s already #89 of the Java Geek Weekly 😊</p><p><a href=\"https://blog.frankel.ch/java-geek-weekly/89/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.frankel.ch/java-geek-week</span><span class=\"invisible\">ly/89/</span></a></p>", "contentMap": { "en": "<p>Time flies; it&#39;s already #89 of the Java Geek Weekly 😊</p><p><a href=\"https://blog.frankel.ch/java-geek-weekly/89/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.frankel.ch/java-geek-week</span><span class=\"invisible\">ly/89/</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mastodon.top/users/frankel/statuses/114705537779381688/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.top/users/frankel/statuses/114705537779381688/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.top/users/frankel/statuses/114705537779381688/replies", "items": [] } }, "likes": { "id": "https://mastodon.top/users/frankel/statuses/114705537779381688/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.top/users/frankel/statuses/114705537779381688/shares", "type": "Collection", "totalItems": 0 } }, { "id": "https://mastodon.top/users/frankel/statuses/114688333923255805", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-15T16:31:35Z", "url": "https://mastodon.top/@frankel/114688333923255805", "attributedTo": "https://mastodon.top/users/frankel", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.top/users/frankel/followers", "https://bird.makeup/users/openrewrite" ], "sensitive": false, "atomUri": "https://mastodon.top/users/frankel/statuses/114688333923255805", "inReplyToAtomUri": null, "conversation": "tag:mastodon.top,2025-06-15:objectId=101234177:objectType=Conversation", "content": "<p>I started discovering <span class=\"h-card\" translate=\"no\"><a href=\"https://bird.makeup/users/openrewrite\" class=\"u-url mention\">@<span>openrewrite</span></a></span> last week by writing a <a href=\"https://mastodon.top/tags/Kotlin\" class=\"mention hashtag\" rel=\"tag\">#<span>Kotlin</span></a> recipe that moves Kotlin files according to the official directory structure recommendation. I mentioned some future works, and here they are. In this post, I want to describe how to compute the root package instead of letting the user set it.</p><p><a href=\"https://blog.frankel.ch/openrewrite-recipes/2/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.frankel.ch/openrewrite-re</span><span class=\"invisible\">cipes/2/</span></a></p>", "contentMap": { "en": "<p>I started discovering <span class=\"h-card\" translate=\"no\"><a href=\"https://bird.makeup/users/openrewrite\" class=\"u-url mention\">@<span>openrewrite</span></a></span> last week by writing a <a href=\"https://mastodon.top/tags/Kotlin\" class=\"mention hashtag\" rel=\"tag\">#<span>Kotlin</span></a> recipe that moves Kotlin files according to the official directory structure recommendation. I mentioned some future works, and here they are. In this post, I want to describe how to compute the root package instead of letting the user set it.</p><p><a href=\"https://blog.frankel.ch/openrewrite-recipes/2/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.frankel.ch/openrewrite-re</span><span class=\"invisible\">cipes/2/</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://bird.makeup/users/openrewrite", "name": "@openrewrite@bird.makeup" }, { "type": "Hashtag", "href": "https://mastodon.top/tags/kotlin", "name": "#kotlin" } ], "replies": { "id": "https://mastodon.top/users/frankel/statuses/114688333923255805/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.top/users/frankel/statuses/114688333923255805/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.top/users/frankel/statuses/114688333923255805/replies", "items": [] } }, "likes": { "id": "https://mastodon.top/users/frankel/statuses/114688333923255805/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.top/users/frankel/statuses/114688333923255805/shares", "type": "Collection", "totalItems": 0 } } ] }