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/holtwick/statuses/114556336918295557", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-23T09:03:00Z", "url": "https://mastodon.social/@holtwick/114556336918295557", "attributedTo": "https://mastodon.social/users/holtwick", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/holtwick/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/holtwick/statuses/114556336918295557", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-05-23:objectId=1004363139:objectType=Conversation", "content": "<p><a href=\"https://mastodon.social/tags/Mozilla\" class=\"mention hashtag\" rel=\"tag\">#<span>Mozilla</span></a> <a href=\"https://mastodon.social/tags/Pocket\" class=\"mention hashtag\" rel=\"tag\">#<span>Pocket</span></a> closes and I had to find a new home for my (procrastinated) <a href=\"https://mastodon.social/tags/links\" class=\"mention hashtag\" rel=\"tag\">#<span>links</span></a> and found it in <a href=\"https://linkding.link\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">linkding.link</span><span class=\"invisible\"></span></a> It is <a href=\"https://mastodon.social/tags/selfhosted\" class=\"mention hashtag\" rel=\"tag\">#<span>selfhosted</span></a> and <a href=\"https://mastodon.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> and even stores a copy of the page using <a href=\"https://mastodon.social/tags/SingleFile\" class=\"mention hashtag\" rel=\"tag\">#<span>SingleFile</span></a> <a href=\"https://mastodon.social/tags/extension\" class=\"mention hashtag\" rel=\"tag\">#<span>extension</span></a> (great for content behind <a href=\"https://mastodon.social/tags/paywall\" class=\"mention hashtag\" rel=\"tag\">#<span>paywall</span></a>) Migration of exported <a href=\"https://mastodon.social/tags/bookmarks\" class=\"mention hashtag\" rel=\"tag\">#<span>bookmarks</span></a> was easy using this script <a href=\"https://github.com/enjikaka/pocket-to-bookmark\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/enjikaka/pocket-to-</span><span class=\"invisible\">bookmark</span></a></p>", "contentMap": { "en": "<p><a href=\"https://mastodon.social/tags/Mozilla\" class=\"mention hashtag\" rel=\"tag\">#<span>Mozilla</span></a> <a href=\"https://mastodon.social/tags/Pocket\" class=\"mention hashtag\" rel=\"tag\">#<span>Pocket</span></a> closes and I had to find a new home for my (procrastinated) <a href=\"https://mastodon.social/tags/links\" class=\"mention hashtag\" rel=\"tag\">#<span>links</span></a> and found it in <a href=\"https://linkding.link\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">linkding.link</span><span class=\"invisible\"></span></a> It is <a href=\"https://mastodon.social/tags/selfhosted\" class=\"mention hashtag\" rel=\"tag\">#<span>selfhosted</span></a> and <a href=\"https://mastodon.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> and even stores a copy of the page using <a href=\"https://mastodon.social/tags/SingleFile\" class=\"mention hashtag\" rel=\"tag\">#<span>SingleFile</span></a> <a href=\"https://mastodon.social/tags/extension\" class=\"mention hashtag\" rel=\"tag\">#<span>extension</span></a> (great for content behind <a href=\"https://mastodon.social/tags/paywall\" class=\"mention hashtag\" rel=\"tag\">#<span>paywall</span></a>) Migration of exported <a href=\"https://mastodon.social/tags/bookmarks\" class=\"mention hashtag\" rel=\"tag\">#<span>bookmarks</span></a> was easy using this script <a href=\"https://github.com/enjikaka/pocket-to-bookmark\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/enjikaka/pocket-to-</span><span class=\"invisible\">bookmark</span></a></p>" }, "updated": "2025-05-23T09:04:37Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/mozilla", "name": "#mozilla" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/pocket", "name": "#pocket" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/selfhosted", "name": "#selfhosted" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/singlefile", "name": "#singlefile" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/paywall", "name": "#paywall" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/extension", "name": "#extension" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/links", "name": "#links" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/bookmarks", "name": "#bookmarks" } ], "replies": { "id": "https://mastodon.social/users/holtwick/statuses/114556336918295557/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/holtwick/statuses/114556336918295557/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/holtwick/statuses/114556336918295557/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/holtwick/statuses/114556336918295557/likes", "type": "Collection", "totalItems": 13 }, "shares": { "id": "https://mastodon.social/users/holtwick/statuses/114556336918295557/shares", "type": "Collection", "totalItems": 9 } }