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", { "Hashtag": "as:Hashtag" } ], "id": "https://fosstodon.org/users/Greta/collections/tags", "type": "Collection", "totalItems": 10, "items": [ { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/linux", "name": "#Linux" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/privacy", "name": "#privacy" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/freesoftware", "name": "#freesoftware" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/emacs", "name": "#emacs" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/running", "name": "#running" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/sustainability", "name": "#sustainability" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/neocities", "name": "#neocities" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/fredbrooks", "name": "#fredbrooks" }, { "type": "Hashtag", "href": "https://fosstodon.org/@Greta/tagged/smolweb", "name": "#smolweb" } ] }