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", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.social/users/RadioAzureus/statuses/114478180030928699", "type": "Note", "summary": null, "inReplyTo": "https://polymaths.social/users/rl_dane/statuses/01JTTM7C1QDSPDBMKFX6QWVBQ5", "published": "2025-05-09T13:46:41Z", "url": "https://mastodon.social/@RadioAzureus/114478180030928699", "attributedTo": "https://mastodon.social/users/RadioAzureus", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/RadioAzureus/followers", "https://polymaths.social/users/rl_dane" ], "sensitive": false, "atomUri": "https://mastodon.social/users/RadioAzureus/statuses/114478180030928699", "inReplyToAtomUri": "https://polymaths.social/users/rl_dane/statuses/01JTTM7C1QDSPDBMKFX6QWVBQ5", "conversation": "tag:mastodon.social,2025-05-09:objectId=992793605:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://polymaths.social/@rl_dane\" class=\"u-url mention\">@<span>rl_dane</span></a></span> </p><p>Do be so kind to explain to me like I&#39;m five, what you&#39;ve written here in the code block </p><p>Do you use a special client to get the markdown language or do you know it by heart? </p><p><a href=\"https://mastodon.social/tags/Programming\" class=\"mention hashtag\" rel=\"tag\">#<span>Programming</span></a> <a href=\"https://mastodon.social/tags/Markdown\" class=\"mention hashtag\" rel=\"tag\">#<span>Markdown</span></a> <a href=\"https://mastodon.social/tags/date\" class=\"mention hashtag\" rel=\"tag\">#<span>date</span></a> <a href=\"https://mastodon.social/tags/freeBSD\" class=\"mention hashtag\" rel=\"tag\">#<span>freeBSD</span></a> <a href=\"https://mastodon.social/tags/ghostBSD\" class=\"mention hashtag\" rel=\"tag\">#<span>ghostBSD</span></a> <a href=\"https://mastodon.social/tags/BSD\" class=\"mention hashtag\" rel=\"tag\">#<span>BSD</span></a> <a href=\"https://mastodon.social/tags/Linux\" class=\"mention hashtag\" rel=\"tag\">#<span>Linux</span></a> <a href=\"https://mastodon.social/tags/formatting\" class=\"mention hashtag\" rel=\"tag\">#<span>formatting</span></a> <a href=\"https://mastodon.social/tags/Syntax\" class=\"mention hashtag\" rel=\"tag\">#<span>Syntax</span></a></p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://polymaths.social/@rl_dane\" class=\"u-url mention\">@<span>rl_dane</span></a></span> </p><p>Do be so kind to explain to me like I&#39;m five, what you&#39;ve written here in the code block </p><p>Do you use a special client to get the markdown language or do you know it by heart? </p><p><a href=\"https://mastodon.social/tags/Programming\" class=\"mention hashtag\" rel=\"tag\">#<span>Programming</span></a> <a href=\"https://mastodon.social/tags/Markdown\" class=\"mention hashtag\" rel=\"tag\">#<span>Markdown</span></a> <a href=\"https://mastodon.social/tags/date\" class=\"mention hashtag\" rel=\"tag\">#<span>date</span></a> <a href=\"https://mastodon.social/tags/freeBSD\" class=\"mention hashtag\" rel=\"tag\">#<span>freeBSD</span></a> <a href=\"https://mastodon.social/tags/ghostBSD\" class=\"mention hashtag\" rel=\"tag\">#<span>ghostBSD</span></a> <a href=\"https://mastodon.social/tags/BSD\" class=\"mention hashtag\" rel=\"tag\">#<span>BSD</span></a> <a href=\"https://mastodon.social/tags/Linux\" class=\"mention hashtag\" rel=\"tag\">#<span>Linux</span></a> <a href=\"https://mastodon.social/tags/formatting\" class=\"mention hashtag\" rel=\"tag\">#<span>formatting</span></a> <a href=\"https://mastodon.social/tags/Syntax\" class=\"mention hashtag\" rel=\"tag\">#<span>Syntax</span></a></p>" }, "updated": "2025-05-09T14:00:42Z", "attachment": [], "tag": [ { "type": "Mention", "href": "https://polymaths.social/users/rl_dane", "name": "@rl_dane@polymaths.social" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/programming", "name": "#programming" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/markdown", "name": "#markdown" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/date", "name": "#date" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/freebsd", "name": "#freebsd" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ghostbsd", "name": "#ghostbsd" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/bsd", "name": "#bsd" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/linux", "name": "#linux" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/formatting", "name": "#formatting" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/syntax", "name": "#syntax" } ], "replies": { "id": "https://mastodon.social/users/RadioAzureus/statuses/114478180030928699/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/RadioAzureus/statuses/114478180030928699/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/RadioAzureus/statuses/114478180030928699/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/RadioAzureus/statuses/114478180030928699/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/RadioAzureus/statuses/114478180030928699/shares", "type": "Collection", "totalItems": 1 } }