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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://helvede.net/users/jwcph/statuses/114374743983802776/replies", "type": "Collection", "first": { "id": "https://helvede.net/users/jwcph/statuses/114374743983802776/replies?page=true", "type": "CollectionPage", "next": "https://helvede.net/users/jwcph/statuses/114374743983802776/replies?only_other_accounts=true&page=true", "partOf": "https://helvede.net/users/jwcph/statuses/114374743983802776/replies", "items": [ { "id": "https://helvede.net/users/jwcph/statuses/114374760074619405", "type": "Note", "summary": null, "inReplyTo": "https://helvede.net/users/jwcph/statuses/114374743983802776", "published": "2025-04-21T07:25:38Z", "url": "https://helvede.net/@jwcph/114374760074619405", "attributedTo": "https://helvede.net/users/jwcph", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://helvede.net/users/jwcph/followers" ], "sensitive": false, "atomUri": "https://helvede.net/users/jwcph/statuses/114374760074619405", "inReplyToAtomUri": "https://helvede.net/users/jwcph/statuses/114374743983802776", "conversation": "tag:helvede.net,2025-04-21:objectId=18363592:objectType=Conversation", "content": "<p>This may have something to do with a &quot;redundant constraint&quot;, but I can&#39;t find out because <a href=\"https://helvede.net/tags/FREECAD\" class=\"mention hashtag\" rel=\"tag\">#<span>FREECAD</span></a> ONLY TELLS ME THERE IS ONE &amp; REFUSES TO LET ME FIND IT!!... 🙄 there&#39;s a nice little number identifier, which seems great until you realize that the interface contains no way of finding or filtering restraints by their ID number - or if there is, I can&#39;t fucking find it...</p>", "contentMap": { "en": "<p>This may have something to do with a &quot;redundant constraint&quot;, but I can&#39;t find out because <a href=\"https://helvede.net/tags/FREECAD\" class=\"mention hashtag\" rel=\"tag\">#<span>FREECAD</span></a> ONLY TELLS ME THERE IS ONE &amp; REFUSES TO LET ME FIND IT!!... 🙄 there&#39;s a nice little number identifier, which seems great until you realize that the interface contains no way of finding or filtering restraints by their ID number - or if there is, I can&#39;t fucking find it...</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://cdn.masto.host/helvedenet/media_attachments/files/114/374/759/901/561/303/original/a11ea4ed35ab87ad.png", "name": "Screenshot of \"redundant constraint\" message", "blurhash": "U4P7CE-WDj.8~Wt6xZxa~nk=Nzog_Mt6xZs:", "width": 1076, "height": 556 } ], "tag": [ { "type": "Hashtag", "href": "https://helvede.net/tags/freecad", "name": "#freecad" } ], "replies": { "id": "https://helvede.net/users/jwcph/statuses/114374760074619405/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://helvede.net/users/jwcph/statuses/114374760074619405/replies?min_id=114374763669821585&page=true", "partOf": "https://helvede.net/users/jwcph/statuses/114374760074619405/replies", "items": [ "https://helvede.net/users/jwcph/statuses/114374763669821585" ] } }, "likes": { "id": "https://helvede.net/users/jwcph/statuses/114374760074619405/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://helvede.net/users/jwcph/statuses/114374760074619405/shares", "type": "Collection", "totalItems": 0 } } ] } }