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://fosstodon.org/users/foss_events/statuses/114563168151451643", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-24T14:00:17Z", "url": "https://fosstodon.org/@foss_events/114563168151451643", "attributedTo": "https://fosstodon.org/users/foss_events", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://fosstodon.org/users/foss_events/followers" ], "sensitive": false, "atomUri": "https://fosstodon.org/users/foss_events/statuses/114563168151451643", "inReplyToAtomUri": null, "conversation": "tag:fosstodon.org,2025-05-24:objectId=319088426:objectType=Conversation", "content": "<p>New on // foss.events: OpenSSL Conference on 07-09 October 2025 in Vienna House by Wyndham Diplomat Prague in <a href=\"https://fosstodon.org/tags/Prague\" class=\"mention hashtag\" rel=\"tag\">#<span>Prague</span></a>, <a href=\"https://fosstodon.org/tags/Czech\" class=\"mention hashtag\" rel=\"tag\">#<span>Czech</span></a> Republic </p><p>Find out more on <a href=\"https://foss.events/2025/10-07-openssl-conference.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">foss.events/2025/10-07-openssl</span><span class=\"invisible\">-conference.html</span></a></p><p>Call for participation is running until 31.05.2025</p><p><a href=\"https://fosstodon.org/tags/foss\" class=\"mention hashtag\" rel=\"tag\">#<span>foss</span></a> <a href=\"https://fosstodon.org/tags/floss\" class=\"mention hashtag\" rel=\"tag\">#<span>floss</span></a> <a href=\"https://fosstodon.org/tags/freesoftware\" class=\"mention hashtag\" rel=\"tag\">#<span>freesoftware</span></a> <a href=\"https://fosstodon.org/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://fosstodon.org/tags/events\" class=\"mention hashtag\" rel=\"tag\">#<span>events</span></a> <a href=\"https://fosstodon.org/tags/europe\" class=\"mention hashtag\" rel=\"tag\">#<span>europe</span></a> <a href=\"https://fosstodon.org/tags/openssl\" class=\"mention hashtag\" rel=\"tag\">#<span>openssl</span></a></p>", "contentMap": { "en": "<p>New on // foss.events: OpenSSL Conference on 07-09 October 2025 in Vienna House by Wyndham Diplomat Prague in <a href=\"https://fosstodon.org/tags/Prague\" class=\"mention hashtag\" rel=\"tag\">#<span>Prague</span></a>, <a href=\"https://fosstodon.org/tags/Czech\" class=\"mention hashtag\" rel=\"tag\">#<span>Czech</span></a> Republic </p><p>Find out more on <a href=\"https://foss.events/2025/10-07-openssl-conference.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">foss.events/2025/10-07-openssl</span><span class=\"invisible\">-conference.html</span></a></p><p>Call for participation is running until 31.05.2025</p><p><a href=\"https://fosstodon.org/tags/foss\" class=\"mention hashtag\" rel=\"tag\">#<span>foss</span></a> <a href=\"https://fosstodon.org/tags/floss\" class=\"mention hashtag\" rel=\"tag\">#<span>floss</span></a> <a href=\"https://fosstodon.org/tags/freesoftware\" class=\"mention hashtag\" rel=\"tag\">#<span>freesoftware</span></a> <a href=\"https://fosstodon.org/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://fosstodon.org/tags/events\" class=\"mention hashtag\" rel=\"tag\">#<span>events</span></a> <a href=\"https://fosstodon.org/tags/europe\" class=\"mention hashtag\" rel=\"tag\">#<span>europe</span></a> <a href=\"https://fosstodon.org/tags/openssl\" class=\"mention hashtag\" rel=\"tag\">#<span>openssl</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://fosstodon.org/tags/prague", "name": "#prague" }, { "type": "Hashtag", "href": "https://fosstodon.org/tags/czech", "name": "#czech" }, { "type": "Hashtag", "href": "https://fosstodon.org/tags/foss", "name": "#foss" }, { "type": "Hashtag", "href": "https://fosstodon.org/tags/floss", "name": "#floss" }, { "type": "Hashtag", "href": "https://fosstodon.org/tags/freesoftware", "name": "#freesoftware" }, { "type": "Hashtag", "href": "https://fosstodon.org/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://fosstodon.org/tags/events", "name": "#events" }, { "type": "Hashtag", "href": "https://fosstodon.org/tags/europe", "name": "#europe" }, { "type": "Hashtag", "href": "https://fosstodon.org/tags/openssl", "name": "#openssl" } ], "replies": { "id": "https://fosstodon.org/users/foss_events/statuses/114563168151451643/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://fosstodon.org/users/foss_events/statuses/114563168151451643/replies?only_other_accounts=true&page=true", "partOf": "https://fosstodon.org/users/foss_events/statuses/114563168151451643/replies", "items": [] } }, "likes": { "id": "https://fosstodon.org/users/foss_events/statuses/114563168151451643/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://fosstodon.org/users/foss_events/statuses/114563168151451643/shares", "type": "Collection", "totalItems": 0 } }