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://mastodon.social/users/princetonupress/collections/tags", "type": "Collection", "totalItems": 6, "items": [ { "type": "Hashtag", "href": "https://mastodon.social/@princetonupress/tagged/books", "name": "#books" }, { "type": "Hashtag", "href": "https://mastodon.social/@princetonupress/tagged/publishing", "name": "#publishing" }, { "type": "Hashtag", "href": "https://mastodon.social/@princetonupress/tagged/academic", "name": "#academic" }, { "type": "Hashtag", "href": "https://mastodon.social/@princetonupress/tagged/academicpublishing", "name": "#AcademicPublishing" }, { "type": "Hashtag", "href": "https://mastodon.social/@princetonupress/tagged/nonfiction", "name": "#NonFiction" }, { "type": "Hashtag", "href": "https://mastodon.social/@princetonupress/tagged/bookstodon", "name": "#bookstodon" } ] }