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", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://social.nlnetlabs.nl/users/nlnetlabs/statuses/114693821626442223", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-16T15:47:10Z", "url": "https://social.nlnetlabs.nl/@nlnetlabs/114693821626442223", "attributedTo": "https://social.nlnetlabs.nl/users/nlnetlabs", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.nlnetlabs.nl/users/nlnetlabs/followers" ], "sensitive": false, "atomUri": "https://social.nlnetlabs.nl/users/nlnetlabs/statuses/114693821626442223", "inReplyToAtomUri": null, "conversation": "tag:social.nlnetlabs.nl,2025-06-16:objectId=1579:objectType=Conversation", "content": "<p>This year, NLnet Labs celebrates twenty-five years as an independent, non-profit foundation working on <a href=\"https://social.nlnetlabs.nl/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> and <a href=\"https://social.nlnetlabs.nl/tags/openstandards\" class=\"mention hashtag\" rel=\"tag\">#<span>openstandards</span></a>.<br />Our mission remains to make the core of the Internet a better, safer place by developing open-source software, through applied research and by promoting and contributing to open standards.</p>", "contentMap": { "en": "<p>This year, NLnet Labs celebrates twenty-five years as an independent, non-profit foundation working on <a href=\"https://social.nlnetlabs.nl/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> and <a href=\"https://social.nlnetlabs.nl/tags/openstandards\" class=\"mention hashtag\" rel=\"tag\">#<span>openstandards</span></a>.<br />Our mission remains to make the core of the Internet a better, safer place by developing open-source software, through applied research and by promoting and contributing to open standards.</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://cdn.masto.host/socialnlnetlabsnl/media_attachments/files/114/693/778/085/086/716/original/1b9c0cda8d99eb2a.jpeg", "name": "The logo of our silver jubilee: a disco-ball looking sphere with \"25\" on it, surrounded by a ribbon with text: \"years of NLnet Labs”.", "blurhash": "UMC%EstA00a$-oRiM{j]9FM{oft69Gt7xuay", "width": 1280, "height": 720 } ], "tag": [ { "type": "Hashtag", "href": "https://social.nlnetlabs.nl/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://social.nlnetlabs.nl/tags/openstandards", "name": "#openstandards" } ], "replies": { "id": "https://social.nlnetlabs.nl/users/nlnetlabs/statuses/114693821626442223/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.nlnetlabs.nl/users/nlnetlabs/statuses/114693821626442223/replies?only_other_accounts=true&page=true", "partOf": "https://social.nlnetlabs.nl/users/nlnetlabs/statuses/114693821626442223/replies", "items": [] } }, "likes": { "id": "https://social.nlnetlabs.nl/users/nlnetlabs/statuses/114693821626442223/likes", "type": "Collection", "totalItems": 28 }, "shares": { "id": "https://social.nlnetlabs.nl/users/nlnetlabs/statuses/114693821626442223/shares", "type": "Collection", "totalItems": 15 } }