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.

Open in browser →
{ "@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://social.sdf.org/users/nutilius/statuses/114393076754794920", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.bsd.cafe/users/michel/statuses/114393056086549468", "published": "2025-04-24T13:03:48Z", "url": "https://social.sdf.org/@nutilius/114393076754794920", "attributedTo": "https://social.sdf.org/users/nutilius", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.sdf.org/users/nutilius/followers", "https://mastodon.bsd.cafe/users/michel" ], "sensitive": false, "atomUri": "https://social.sdf.org/users/nutilius/statuses/114393076754794920", "inReplyToAtomUri": "https://mastodon.bsd.cafe/users/michel/statuses/114393056086549468", "conversation": "tag:bsd.cafe,2025-04-22:objectId=16057245:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.bsd.cafe/@michel\" class=\"u-url mention\">@<span>michel</span></a></span> hmm that was always the problem with my knowledge - I write in many different programming languages (even so ancient like <a href=\"https://social.sdf.org/tags/assembler\" class=\"mention hashtag\" rel=\"tag\">#<span>assembler</span></a> and <a href=\"https://social.sdf.org/tags/rexx\" class=\"mention hashtag\" rel=\"tag\">#<span>rexx</span></a>), but still don’t now too much about modern html/css 😡😩 I didn’t know about such possibilities like magically make tags to buttons.</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.bsd.cafe/@michel\" class=\"u-url mention\">@<span>michel</span></a></span> hmm that was always the problem with my knowledge - I write in many different programming languages (even so ancient like <a href=\"https://social.sdf.org/tags/assembler\" class=\"mention hashtag\" rel=\"tag\">#<span>assembler</span></a> and <a href=\"https://social.sdf.org/tags/rexx\" class=\"mention hashtag\" rel=\"tag\">#<span>rexx</span></a>), but still don’t now too much about modern html/css 😡😩 I didn’t know about such possibilities like magically make tags to buttons.</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.bsd.cafe/users/michel", "name": "@michel@bsd.cafe" }, { "type": "Hashtag", "href": "https://social.sdf.org/tags/assembler", "name": "#assembler" }, { "type": "Hashtag", "href": "https://social.sdf.org/tags/rexx", "name": "#rexx" } ], "replies": { "id": "https://social.sdf.org/users/nutilius/statuses/114393076754794920/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.sdf.org/users/nutilius/statuses/114393076754794920/replies?only_other_accounts=true&page=true", "partOf": "https://social.sdf.org/users/nutilius/statuses/114393076754794920/replies", "items": [] } } }