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", { "Hashtag": "as:Hashtag" } ], "id": "https://martianbase.net/users/mackuba/collections/tags", "type": "Collection", "totalItems": 6, "items": [ { "type": "Hashtag", "href": "https://martianbase.net/@mackuba/tagged/macdev", "name": "#MacDev" }, { "type": "Hashtag", "href": "https://martianbase.net/@mackuba/tagged/appkit", "name": "#AppKit" }, { "type": "Hashtag", "href": "https://martianbase.net/@mackuba/tagged/swift", "name": "#Swift" }, { "type": "Hashtag", "href": "https://martianbase.net/@mackuba/tagged/xcode", "name": "#Xcode" }, { "type": "Hashtag", "href": "https://martianbase.net/@mackuba/tagged/til", "name": "#TIL" }, { "type": "Hashtag", "href": "https://martianbase.net/@mackuba/tagged/bluesky", "name": "#bluesky" } ] }