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://join-lemmy.org/context.json", "https://www.w3.org/ns/activitystreams" ], "type": "Page", "id": "https://programming.dev/post/27335278", "attributedTo": "https://programming.dev/u/learnbyexample", "to": [ "https://programming.dev/c/python", "https://www.w3.org/ns/activitystreams#Public" ], "name": "Improving Posting's startup time by over 40%", "cc": [], "mediaType": "text/html", "attachment": [ { "href": "https://darren.codes/posts/python-startup-time/", "mediaType": "text/html; charset=utf-8", "type": "Link" } ], "sensitive": false, "published": "2025-03-22T05:21:59.445365Z", "language": { "identifier": "en", "name": "English" }, "audience": "https://programming.dev/c/python", "tag": [ { "href": "https://programming.dev/post/27335278", "name": "#python", "type": "Hashtag" } ] }