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", { "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/mostalive/statuses/114535003359774783", "type": "Note", "summary": null, "inReplyTo": "https://indieweb.social/users/xenodium/statuses/114534828273657227", "published": "2025-05-19T14:37:36Z", "url": "https://mastodon.social/@mostalive/114535003359774783", "attributedTo": "https://mastodon.social/users/mostalive", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/mostalive/followers", "https://indieweb.social/users/xenodium" ], "sensitive": false, "atomUri": "https://mastodon.social/users/mostalive/statuses/114535003359774783", "inReplyToAtomUri": "https://indieweb.social/users/xenodium/statuses/114534828273657227", "conversation": "tag:indieweb.social,2025-05-19:objectId=188443777:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://indieweb.social/@xenodium\" class=\"u-url mention\">@<span>xenodium</span></a></span> <a href=\"https://mastodon.social/tags/Journelly\" class=\"mention hashtag\" rel=\"tag\">#<span>Journelly</span></a> is very useful in collecting reddit posts, articles etc - making it easy to transfer the ones I want to keep to <a href=\"https://mastodon.social/tags/orgroam\" class=\"mention hashtag\" rel=\"tag\">#<span>orgroam</span></a> . (as well as having them on various devices in one go).</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://indieweb.social/@xenodium\" class=\"u-url mention\">@<span>xenodium</span></a></span> <a href=\"https://mastodon.social/tags/Journelly\" class=\"mention hashtag\" rel=\"tag\">#<span>Journelly</span></a> is very useful in collecting reddit posts, articles etc - making it easy to transfer the ones I want to keep to <a href=\"https://mastodon.social/tags/orgroam\" class=\"mention hashtag\" rel=\"tag\">#<span>orgroam</span></a> . (as well as having them on various devices in one go).</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://indieweb.social/users/xenodium", "name": "@xenodium@indieweb.social" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/journelly", "name": "#journelly" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/orgroam", "name": "#orgroam" } ], "replies": { "id": "https://mastodon.social/users/mostalive/statuses/114535003359774783/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/mostalive/statuses/114535003359774783/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/mostalive/statuses/114535003359774783/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/mostalive/statuses/114535003359774783/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mastodon.social/users/mostalive/statuses/114535003359774783/shares", "type": "Collection", "totalItems": 0 } }