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://mas.to/users/kims/statuses/114648928710054699", "type": "Note", "summary": null, "inReplyTo": "https://mstdn.social/users/lillyfinch/statuses/114648454508617016", "published": "2025-06-08T17:30:19Z", "url": "https://mas.to/@kims/114648928710054699", "attributedTo": "https://mas.to/users/kims", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/kims/followers", "https://mstdn.social/users/lillyfinch" ], "sensitive": false, "atomUri": "https://mas.to/users/kims/statuses/114648928710054699", "inReplyToAtomUri": "https://mstdn.social/users/lillyfinch/statuses/114648454508617016", "conversation": "tag:mstdn.social,2025-06-08:objectId=565383193:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mstdn.social/@lillyfinch\" class=\"u-url mention\">@<span>lillyfinch</span></a></span> <br />Great cartoon!</p><p>Expanding on the <a href=\"https://mas.to/tags/alttext\" class=\"mention hashtag\" rel=\"tag\">#<span>alttext</span></a> a bit</p><p>&quot;A Michael de Adder cartoon</p><p>A soldier seen from the back is looking at a modified &quot;Uncle Sam Wants You&quot; army recruitment poster</p><p>In this version of the poster, Donald Trump&#39;s face has replaced Uncle Sam&#39;s face and the text reads:</p><p>I want you to use force against your fellow American&quot;</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mstdn.social/@lillyfinch\" class=\"u-url mention\">@<span>lillyfinch</span></a></span> <br />Great cartoon!</p><p>Expanding on the <a href=\"https://mas.to/tags/alttext\" class=\"mention hashtag\" rel=\"tag\">#<span>alttext</span></a> a bit</p><p>&quot;A Michael de Adder cartoon</p><p>A soldier seen from the back is looking at a modified &quot;Uncle Sam Wants You&quot; army recruitment poster</p><p>In this version of the poster, Donald Trump&#39;s face has replaced Uncle Sam&#39;s face and the text reads:</p><p>I want you to use force against your fellow American&quot;</p>" }, "updated": "2025-06-08T17:30:34Z", "attachment": [], "tag": [ { "type": "Mention", "href": "https://mstdn.social/users/lillyfinch", "name": "@lillyfinch@mstdn.social" }, { "type": "Hashtag", "href": "https://mas.to/tags/alttext", "name": "#alttext" } ], "replies": { "id": "https://mas.to/users/kims/statuses/114648928710054699/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/kims/statuses/114648928710054699/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/kims/statuses/114648928710054699/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/kims/statuses/114648928710054699/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mas.to/users/kims/statuses/114648928710054699/shares", "type": "Collection", "totalItems": 0 } }