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.opensource.org/users/osi/statuses/114517568568251688", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-16T12:43:42Z", "url": "https://social.opensource.org/@osi/114517568568251688", "attributedTo": "https://social.opensource.org/users/osi", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://social.opensource.org/users/osi/followers" ], "sensitive": false, "atomUri": "https://social.opensource.org/users/osi/statuses/114517568568251688", "inReplyToAtomUri": null, "conversation": "tag:opensource.org,2025-05-16:objectId=936846:objectType=Conversation", "content": "<p>CFPs is OPEN! Join the conversation shaping the future of <a href=\"https://social.opensource.org/tags/OpenSourceAI\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSourceAI</span></a>. The OSI is hosting Deep Dive: Data Governance — a 3-day virtual event: <a href=\"https://opensource.org/datagovernanceconf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">opensource.org/datagovernancec</span><span class=\"invisible\">onf</span></a></p>", "contentMap": { "en": "<p>CFPs is OPEN! Join the conversation shaping the future of <a href=\"https://social.opensource.org/tags/OpenSourceAI\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSourceAI</span></a>. The OSI is hosting Deep Dive: Data Governance — a 3-day virtual event: <a href=\"https://opensource.org/datagovernanceconf\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">opensource.org/datagovernancec</span><span class=\"invisible\">onf</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://cdn.masto.host/socialopensourceorg/media_attachments/files/114/517/568/444/766/830/original/27f22d6d71898486.png", "name": null, "blurhash": "UMRfh1xt_Nt8EfbHnNjF-oaxNHkC.8j[Vsae", "width": 720, "height": 512 } ], "tag": [ { "type": "Hashtag", "href": "https://social.opensource.org/tags/opensourceai", "name": "#opensourceai" } ], "replies": { "id": "https://social.opensource.org/users/osi/statuses/114517568568251688/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://social.opensource.org/users/osi/statuses/114517568568251688/replies?only_other_accounts=true&page=true", "partOf": "https://social.opensource.org/users/osi/statuses/114517568568251688/replies", "items": [] } }, "likes": { "id": "https://social.opensource.org/users/osi/statuses/114517568568251688/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://social.opensource.org/users/osi/statuses/114517568568251688/shares", "type": "Collection", "totalItems": 0 } }