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/toscalix/statuses/114575832507040469", "type": "Note", "summary": null, "inReplyTo": "https://social.opensource.org/users/osi/statuses/114574793449728239", "published": "2025-05-26T19:40:59Z", "url": "https://mastodon.social/@toscalix/114575832507040469", "attributedTo": "https://mastodon.social/users/toscalix", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/toscalix/followers", "https://social.opensource.org/users/osi" ], "sensitive": false, "atomUri": "https://mastodon.social/users/toscalix/statuses/114575832507040469", "inReplyToAtomUri": "https://social.opensource.org/users/osi/statuses/114574793449728239", "conversation": "tag:opensource.org,2025-05-26:objectId=945002:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://social.opensource.org/@osi\" class=\"u-url mention\">@<span>osi</span></a></span> This Friday May 30th at 9:00 CEST, during the OpenChain webinar, we will learn about the impact of AI from the copyright and open source license compliance point of view. <a href=\"https://openchainproject.org/news/2025/05/23/webinar-2025-05-30\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">openchainproject.org/news/2025</span><span class=\"invisible\">/05/23/webinar-2025-05-30</span></a> </p><p><a href=\"https://mastodon.social/tags/openchain\" class=\"mention hashtag\" rel=\"tag\">#<span>openchain</span></a> <a href=\"https://mastodon.social/tags/artificialintelligence\" class=\"mention hashtag\" rel=\"tag\">#<span>artificialintelligence</span></a> <a href=\"https://mastodon.social/tags/license\" class=\"mention hashtag\" rel=\"tag\">#<span>license</span></a> <a href=\"https://mastodon.social/tags/compliance\" class=\"mention hashtag\" rel=\"tag\">#<span>compliance</span></a> <a href=\"https://mastodon.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://mastodon.social/tags/freesoftware\" class=\"mention hashtag\" rel=\"tag\">#<span>freesoftware</span></a> <a href=\"https://mastodon.social/tags/sca\" class=\"mention hashtag\" rel=\"tag\">#<span>sca</span></a></p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://social.opensource.org/@osi\" class=\"u-url mention\">@<span>osi</span></a></span> This Friday May 30th at 9:00 CEST, during the OpenChain webinar, we will learn about the impact of AI from the copyright and open source license compliance point of view. <a href=\"https://openchainproject.org/news/2025/05/23/webinar-2025-05-30\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">openchainproject.org/news/2025</span><span class=\"invisible\">/05/23/webinar-2025-05-30</span></a> </p><p><a href=\"https://mastodon.social/tags/openchain\" class=\"mention hashtag\" rel=\"tag\">#<span>openchain</span></a> <a href=\"https://mastodon.social/tags/artificialintelligence\" class=\"mention hashtag\" rel=\"tag\">#<span>artificialintelligence</span></a> <a href=\"https://mastodon.social/tags/license\" class=\"mention hashtag\" rel=\"tag\">#<span>license</span></a> <a href=\"https://mastodon.social/tags/compliance\" class=\"mention hashtag\" rel=\"tag\">#<span>compliance</span></a> <a href=\"https://mastodon.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://mastodon.social/tags/freesoftware\" class=\"mention hashtag\" rel=\"tag\">#<span>freesoftware</span></a> <a href=\"https://mastodon.social/tags/sca\" class=\"mention hashtag\" rel=\"tag\">#<span>sca</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://social.opensource.org/users/osi", "name": "@osi@opensource.org" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/openchain", "name": "#openchain" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/artificialintelligence", "name": "#artificialintelligence" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/license", "name": "#license" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/compliance", "name": "#compliance" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/freesoftware", "name": "#freesoftware" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/sca", "name": "#sca" } ], "replies": { "id": "https://mastodon.social/users/toscalix/statuses/114575832507040469/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/toscalix/statuses/114575832507040469/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/toscalix/statuses/114575832507040469/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/toscalix/statuses/114575832507040469/likes", "type": "Collection", "totalItems": 3 }, "shares": { "id": "https://mastodon.social/users/toscalix/statuses/114575832507040469/shares", "type": "Collection", "totalItems": 2 } }