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", "https://w3id.org/security/v1", { "Hashtag": "as:Hashtag", "sensitive": "as:sensitive", "manuallyApprovesFollowers": "as:manuallyApprovesFollowers", "alsoKnownAs": { "@id": "as:alsoKnownAs", "@type": "@id" }, "movedTo": { "@id": "as:movedTo", "@type": "@id" }, "toot": "http://joinmastodon.org/ns#", "featured": { "@id": "toot:featured", "@type": "@id" }, "Emoji": "toot:Emoji", "blurhash": "toot:blurhash", "votersCount": "toot:votersCount", "schema": "http://schema.org#", "PropertyValue": "schema:PropertyValue", "value": "schema:value", "ostatus": "http://ostatus.org#", "conversation": "ostatus:conversation" } ], "type": "Note", "id": "https://chrichri.ween.de/o/72c8217f76274f67a1fb3c7e7dd33263", "attributedTo": "https://chrichri.ween.de", "content": "<p>sigmaris on the <a href=\"https://chrichri.ween.de/t/rock64\" class=\"mention hashtag\" rel=\"tag\">#<span>rock64</span></a> irc channel seems to have an explanation for the unexpected behaviour of the watchdog after a <code>halt</code>: This <a href=\"https://github.com/ARM-software/arm-trusted-firmware/commit/b4899041e5f0b8e8b388c6511b5233516b8785ec\">commits</a> fix is not called on halt and for that reason the restart might fail...</p>\n", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://chrichri.ween.de/followers" ], "published": "2025-04-26T19:23:29Z", "context": "https://chrichri.ween.de/contexts/624e39970fe14e188ed67806dc5419fb", "conversation": "https://chrichri.ween.de/contexts/624e39970fe14e188ed67806dc5419fb", "url": "https://chrichri.ween.de/o/72c8217f76274f67a1fb3c7e7dd33263", "tag": [ { "href": "https://chrichri.ween.de/t/rock64", "name": "#rock64", "type": "Hashtag" } ], "summary": null, "inReplyTo": "https://chrichri.ween.de/o/754a4a0d12214ebeb7b50d5fa4cdfefe", "sensitive": false, "attachment": [] }