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://mstdn.science/users/WhatisBiotechnology/statuses/114557033182171686", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-23T12:00:04Z", "url": "https://mstdn.science/@WhatisBiotechnology/114557033182171686", "attributedTo": "https://mstdn.science/users/WhatisBiotechnology", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.science/users/WhatisBiotechnology/followers" ], "sensitive": false, "atomUri": "https://mstdn.science/users/WhatisBiotechnology/statuses/114557033182171686", "inReplyToAtomUri": null, "conversation": "tag:mstdn.science,2025-05-23:objectId=91006034:objectType=Conversation", "content": "<p>On this day in 1925: Joshua Lederberg born, won 1958 <a href=\"https://mstdn.science/tags/NobelPrize\" class=\"mention hashtag\" rel=\"tag\">#<span>NobelPrize</span></a> for discovering genetic recombination in bacteria <a href=\"https://mstdn.science/tags/ThisDayInBiotech\" class=\"mention hashtag\" rel=\"tag\">#<span>ThisDayInBiotech</span></a></p>", "contentMap": { "en": "<p>On this day in 1925: Joshua Lederberg born, won 1958 <a href=\"https://mstdn.science/tags/NobelPrize\" class=\"mention hashtag\" rel=\"tag\">#<span>NobelPrize</span></a> for discovering genetic recombination in bacteria <a href=\"https://mstdn.science/tags/ThisDayInBiotech\" class=\"mention hashtag\" rel=\"tag\">#<span>ThisDayInBiotech</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://static.mstdn.science/media_attachments/files/114/557/033/051/092/191/original/6a3711c0f0d5067f.jpg", "name": null, "blurhash": "UDC6rw_30100IUxtD%IU009F?b^+IUoeofxu", "width": 310, "height": 264 } ], "tag": [ { "type": "Hashtag", "href": "https://mstdn.science/tags/nobelprize", "name": "#nobelprize" }, { "type": "Hashtag", "href": "https://mstdn.science/tags/thisdayinbiotech", "name": "#thisdayinbiotech" } ], "replies": { "id": "https://mstdn.science/users/WhatisBiotechnology/statuses/114557033182171686/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.science/users/WhatisBiotechnology/statuses/114557033182171686/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.science/users/WhatisBiotechnology/statuses/114557033182171686/replies", "items": [] } }, "likes": { "id": "https://mstdn.science/users/WhatisBiotechnology/statuses/114557033182171686/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mstdn.science/users/WhatisBiotechnology/statuses/114557033182171686/shares", "type": "Collection", "totalItems": 0 } }