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/splorp/statuses/114745829994488095", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.online/users/mwichary/statuses/114744387431674390", "published": "2025-06-25T20:13:35Z", "url": "https://mastodon.social/@splorp/114745829994488095", "attributedTo": "https://mastodon.social/users/splorp", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/splorp/followers", "https://mastodon.online/users/mwichary" ], "sensitive": false, "atomUri": "https://mastodon.social/users/splorp/statuses/114745829994488095", "inReplyToAtomUri": "https://mastodon.online/users/mwichary/statuses/114744387431674390", "conversation": "tag:mastodon.online,2025-06-20:objectId=526069341:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.online/@mwichary\" class=\"u-url mention\">@<span>mwichary</span></a></span> Somewhat related and/or unrelated … did you know that there’s an XML/HTML tokenizer for the <a href=\"https://mastodon.social/tags/AppleNewton\" class=\"mention hashtag\" rel=\"tag\">#<span>AppleNewton</span></a>?</p><p><a href=\"https://40hz.org/Pages/newton/packages/ntox/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">40hz.org/Pages/newton/packages</span><span class=\"invisible\">/ntox/</span></a></p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.online/@mwichary\" class=\"u-url mention\">@<span>mwichary</span></a></span> Somewhat related and/or unrelated … did you know that there’s an XML/HTML tokenizer for the <a href=\"https://mastodon.social/tags/AppleNewton\" class=\"mention hashtag\" rel=\"tag\">#<span>AppleNewton</span></a>?</p><p><a href=\"https://40hz.org/Pages/newton/packages/ntox/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">40hz.org/Pages/newton/packages</span><span class=\"invisible\">/ntox/</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.online/users/mwichary", "name": "@mwichary@mastodon.online" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/applenewton", "name": "#applenewton" } ], "replies": { "id": "https://mastodon.social/users/splorp/statuses/114745829994488095/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/splorp/statuses/114745829994488095/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/splorp/statuses/114745829994488095/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/splorp/statuses/114745829994488095/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/splorp/statuses/114745829994488095/shares", "type": "Collection", "totalItems": 1 } }