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/Edent/statuses/114331612009479129/replies", "type": "Collection", "first": { "id": "https://mastodon.social/users/Edent/statuses/114331612009479129/replies?page=true", "type": "CollectionPage", "next": "https://mastodon.social/users/Edent/statuses/114331612009479129/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/Edent/statuses/114331612009479129/replies", "items": [ { "id": "https://mastodon.social/users/Edent/statuses/114332424308615426", "type": "Question", "summary": null, "inReplyTo": "https://mastodon.social/users/Edent/statuses/114331612009479129", "published": "2025-04-13T19:59:05Z", "url": "https://mastodon.social/@Edent/114332424308615426", "attributedTo": "https://mastodon.social/users/Edent", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/Edent/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/Edent/statuses/114332424308615426", "inReplyToAtomUri": "https://mastodon.social/users/Edent/statuses/114331612009479129", "conversation": "tag:mastodon.social,2025-04-13:objectId=971349273:objectType=Conversation", "content": "<p>Here&#39;s another question. Is the ordering of HTML attributes semantically or logically important?</p><p>For example, is there ever a practical difference between:</p><p>`&lt;p class=&quot;a&quot; id=&quot;b&quot;&gt;`<br />and<br />`&lt;p id=&quot;b&quot; class=&quot;a&quot;&gt;`</p><p>Vote now!</p>", "contentMap": { "en": "<p>Here&#39;s another question. Is the ordering of HTML attributes semantically or logically important?</p><p>For example, is there ever a practical difference between:</p><p>`&lt;p class=&quot;a&quot; id=&quot;b&quot;&gt;`<br />and<br />`&lt;p id=&quot;b&quot; class=&quot;a&quot;&gt;`</p><p>Vote now!</p>" }, "endTime": "2025-04-20T19:59:05Z", "closed": "2025-04-20T19:59:05Z", "votersCount": 344, "attachment": [], "tag": [], "replies": { "id": "https://mastodon.social/users/Edent/statuses/114332424308615426/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/Edent/statuses/114332424308615426/replies?min_id=114332782264041689&page=true", "partOf": "https://mastodon.social/users/Edent/statuses/114332424308615426/replies", "items": [ "https://mastodon.social/users/Edent/statuses/114332782264041689" ] } }, "likes": { "id": "https://mastodon.social/users/Edent/statuses/114332424308615426/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mastodon.social/users/Edent/statuses/114332424308615426/shares", "type": "Collection", "totalItems": 8 }, "oneOf": [ { "type": "Note", "name": "WTF? Obviously they are the same!", "replies": { "type": "Collection", "totalItems": 246 } }, { "type": "Note", "name": "Aha! There's this edge case you didn't consider!", "replies": { "type": "Collection", "totalItems": 38 } }, { "type": "Note", "name": "I neither know nor care. I just like voting.", "replies": { "type": "Collection", "totalItems": 60 } } ] }, { "id": "https://mastodon.social/users/Edent/statuses/114397669791905613", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/Edent/statuses/114331612009479129", "published": "2025-04-25T08:31:52Z", "url": "https://mastodon.social/@Edent/114397669791905613", "attributedTo": "https://mastodon.social/users/Edent", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/Edent/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/Edent/statuses/114397669791905613", "inReplyToAtomUri": "https://mastodon.social/users/Edent/statuses/114331612009479129", "conversation": "tag:mastodon.social,2025-04-13:objectId=971349273:objectType=Conversation", "content": "<p>The majority of voters got the above question wrong.</p><p>The order of attribute values in HTML *is* important.</p><p><a href=\"https://shkspr.mobi/blog/2025/04/html-oddities-does-the-order-of-attribute-values-matter/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">shkspr.mobi/blog/2025/04/html-</span><span class=\"invisible\">oddities-does-the-order-of-attribute-values-matter/</span></a></p>", "contentMap": { "en": "<p>The majority of voters got the above question wrong.</p><p>The order of attribute values in HTML *is* important.</p><p><a href=\"https://shkspr.mobi/blog/2025/04/html-oddities-does-the-order-of-attribute-values-matter/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">shkspr.mobi/blog/2025/04/html-</span><span class=\"invisible\">oddities-does-the-order-of-attribute-values-matter/</span></a></p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mastodon.social/users/Edent/statuses/114397669791905613/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/Edent/statuses/114397669791905613/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/Edent/statuses/114397669791905613/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/Edent/statuses/114397669791905613/likes", "type": "Collection", "totalItems": 15 }, "shares": { "id": "https://mastodon.social/users/Edent/statuses/114397669791905613/shares", "type": "Collection", "totalItems": 7 } } ] } }