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/Mastodon/collections/featured", "type": "OrderedCollection", "totalItems": 2, "orderedItems": [ { "id": "https://mastodon.social/users/Mastodon/statuses/113820521450833408", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-13T10:15:27Z", "url": "https://mastodon.social/@Mastodon/113820521450833408", "attributedTo": "https://mastodon.social/users/Mastodon", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/Mastodon/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/Mastodon/statuses/113820521450833408", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-01-13:objectId=893229798:objectType=Conversation", "content": "<p>Today Mastodon is taking another step towards its founding ideals: independence and non-profit ownership. We&#39;re transferring ownership of key assets to a new, European not-for-profit entity, ensuring our mission remains true to a decentralised social web, not corporate control. <a href=\"https://mastodon.social/tags/MastodonNonProfit\" class=\"mention hashtag\" rel=\"tag\">#<span>MastodonNonProfit</span></a></p><p><a href=\"https://blog.joinmastodon.org/2025/01/the-people-should-own-the-town-square/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.joinmastodon.org/2025/01/</span><span class=\"invisible\">the-people-should-own-the-town-square/</span></a></p>", "contentMap": { "en": "<p>Today Mastodon is taking another step towards its founding ideals: independence and non-profit ownership. We&#39;re transferring ownership of key assets to a new, European not-for-profit entity, ensuring our mission remains true to a decentralised social web, not corporate control. <a href=\"https://mastodon.social/tags/MastodonNonProfit\" class=\"mention hashtag\" rel=\"tag\">#<span>MastodonNonProfit</span></a></p><p><a href=\"https://blog.joinmastodon.org/2025/01/the-people-should-own-the-town-square/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.joinmastodon.org/2025/01/</span><span class=\"invisible\">the-people-should-own-the-town-square/</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/mastodonnonprofit", "name": "#mastodonnonprofit" } ], "replies": { "id": "https://mastodon.social/users/Mastodon/statuses/113820521450833408/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/Mastodon/statuses/113820521450833408/replies?min_id=113820522826128588&page=true", "partOf": "https://mastodon.social/users/Mastodon/statuses/113820521450833408/replies", "items": [ "https://mastodon.social/users/Mastodon/statuses/113820522826128588" ] } }, "likes": { "id": "https://mastodon.social/users/Mastodon/statuses/113820521450833408/likes", "type": "Collection", "totalItems": 3534 }, "shares": { "id": "https://mastodon.social/users/Mastodon/statuses/113820521450833408/shares", "type": "Collection", "totalItems": 2810 } }, { "id": "https://mastodon.social/users/Mastodon/statuses/114433296016318962", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-01T15:32:05Z", "url": "https://mastodon.social/@Mastodon/114433296016318962", "attributedTo": "https://mastodon.social/users/Mastodon", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/Mastodon/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/Mastodon/statuses/114433296016318962", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-01:objectId=986165522:objectType=Conversation", "content": "<p>Hello! We&#39;re the team that builds and supports Mastodon, alongside the community. Today, we wanted to share an update on our organisation. <a href=\"https://blog.joinmastodon.org/2025/05/evolving-the-team/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.joinmastodon.org/2025/05/</span><span class=\"invisible\">evolving-the-team/</span></a></p>", "contentMap": { "en": "<p>Hello! We&#39;re the team that builds and supports Mastodon, alongside the community. Today, we wanted to share an update on our organisation. <a href=\"https://blog.joinmastodon.org/2025/05/evolving-the-team/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">blog.joinmastodon.org/2025/05/</span><span class=\"invisible\">evolving-the-team/</span></a></p>" }, "updated": "2025-05-01T18:51:55Z", "attachment": [], "tag": [], "replies": { "id": "https://mastodon.social/users/Mastodon/statuses/114433296016318962/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/Mastodon/statuses/114433296016318962/replies?min_id=114433305912097748&page=true", "partOf": "https://mastodon.social/users/Mastodon/statuses/114433296016318962/replies", "items": [ "https://mastodon.social/users/Mastodon/statuses/114433305912097748" ] } }, "likes": { "id": "https://mastodon.social/users/Mastodon/statuses/114433296016318962/likes", "type": "Collection", "totalItems": 588 }, "shares": { "id": "https://mastodon.social/users/Mastodon/statuses/114433296016318962/shares", "type": "Collection", "totalItems": 464 } } ] }