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://lemmy.ca/post/47144952", "attributedTo": "https://lemmy.ca/u/Sunshine", "to": [ "https://feddit.uk/c/buyeuropean", "https://www.w3.org/ns/activitystreams#Public" ], "name": "Proton Mail developer sues Apple in the U.S., says App Store model breaks antitrust laws", "cc": [], "mediaType": "text/html", "attachment": [ { "href": "https://9to5mac.com/2025/06/30/proton-mail-developer-sues-apple-over-app-store-model/", "mediaType": "text/html; charset=utf-8", "type": "Link" } ], "image": { "type": "Image", "url": "https://lemmy.ca/pictrs/image/c1ab38b9-14a7-48d2-847d-0350d108c608.jpeg" }, "sensitive": false, "published": "2025-06-30T19:09:41.012654Z", "audience": "https://feddit.uk/c/buyeuropean", "tag": [ { "href": "https://lemmy.ca/post/47144952", "name": "#buyeuropean", "type": "Hashtag" } ] }