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://mastodon.acm.org/users/rafaelperez/collections/tags", "type": "Collection", "totalItems": 10, "items": [ { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/programming", "name": "#programming" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/softwaredevelopment", "name": "#softwaredevelopment" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/databases", "name": "#databases" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/webdev", "name": "#webdev" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/sql", "name": "#sql" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/microsoft", "name": "#microsoft" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/csharp", "name": "#csharp" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/typescript", "name": "#typescript" }, { "type": "Hashtag", "href": "https://mastodon.acm.org/@rafaelperez/tagged/dotnetcore", "name": "#dotnetcore" } ] }