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://mastodon.social/users/dipy/statuses/114140344975479279", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-03-10T21:50:47Z", "url": "https://mastodon.social/@dipy/114140344975479279", "attributedTo": "https://mastodon.social/users/dipy", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/dipy/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/dipy/statuses/114140344975479279", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-03-10:objectId=942348572:objectType=Conversation", "content": "<p>Excited to announce Prof. Maxime Descoteaux from Université de Sherbrooke &amp; SCIL, a pioneer in advanced diffusion MRI and connectomics, as a speaker at <a href=\"https://mastodon.social/tags/DIPYworkshop2025\" class=\"mention hashtag\" rel=\"tag\">#<span>DIPYworkshop2025</span></a>! Join us to explore his cutting-edge presentation on Spherical Harmonic Reconstruction with derivative methods such as QBall, CSA and CSD. Don’t miss it! <a href=\"https://mastodon.social/tags/Neuroimaging\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroimaging</span></a> </p><p><a href=\"https://mastodon.social/tags/Connectomics\" class=\"mention hashtag\" rel=\"tag\">#<span>Connectomics</span></a> <a href=\"https://mastodon.social/tags/BrainMapping\" class=\"mention hashtag\" rel=\"tag\">#<span>BrainMapping</span></a> <a href=\"https://mastodon.social/tags/MRI\" class=\"mention hashtag\" rel=\"tag\">#<span>MRI</span></a> <a href=\"https://mastodon.social/tags/DIPY\" class=\"mention hashtag\" rel=\"tag\">#<span>DIPY</span></a> <a href=\"https://mastodon.social/tags/MedicalImaging\" class=\"mention hashtag\" rel=\"tag\">#<span>MedicalImaging</span></a> <a href=\"https://mastodon.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://mastodon.social/tags/learn\" class=\"mention hashtag\" rel=\"tag\">#<span>learn</span></a></p>", "contentMap": { "en": "<p>Excited to announce Prof. Maxime Descoteaux from Université de Sherbrooke &amp; SCIL, a pioneer in advanced diffusion MRI and connectomics, as a speaker at <a href=\"https://mastodon.social/tags/DIPYworkshop2025\" class=\"mention hashtag\" rel=\"tag\">#<span>DIPYworkshop2025</span></a>! Join us to explore his cutting-edge presentation on Spherical Harmonic Reconstruction with derivative methods such as QBall, CSA and CSD. Don’t miss it! <a href=\"https://mastodon.social/tags/Neuroimaging\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroimaging</span></a> </p><p><a href=\"https://mastodon.social/tags/Connectomics\" class=\"mention hashtag\" rel=\"tag\">#<span>Connectomics</span></a> <a href=\"https://mastodon.social/tags/BrainMapping\" class=\"mention hashtag\" rel=\"tag\">#<span>BrainMapping</span></a> <a href=\"https://mastodon.social/tags/MRI\" class=\"mention hashtag\" rel=\"tag\">#<span>MRI</span></a> <a href=\"https://mastodon.social/tags/DIPY\" class=\"mention hashtag\" rel=\"tag\">#<span>DIPY</span></a> <a href=\"https://mastodon.social/tags/MedicalImaging\" class=\"mention hashtag\" rel=\"tag\">#<span>MedicalImaging</span></a> <a href=\"https://mastodon.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://mastodon.social/tags/learn\" class=\"mention hashtag\" rel=\"tag\">#<span>learn</span></a></p>" }, "updated": "2025-03-10T21:51:09Z", "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/140/342/772/316/193/original/5a34a96bee93713d.jpg", "name": "", "blurhash": "UPP%39kqjEoLyYRPR+xuQRx]V@Rj9vt8ozjZ", "focalPoint": [ 0.47, -0.5 ], "width": 1200, "height": 1600 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/dipyworkshop2025", "name": "#dipyworkshop2025" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/neuroimaging", "name": "#neuroimaging" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/connectomics", "name": "#connectomics" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/brainmapping", "name": "#brainmapping" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mri", "name": "#mri" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/Dipy", "name": "#Dipy" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/medicalimaging", "name": "#medicalimaging" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/learn", "name": "#learn" } ], "replies": { "id": "https://mastodon.social/users/dipy/statuses/114140344975479279/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/dipy/statuses/114140344975479279/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/dipy/statuses/114140344975479279/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/dipy/statuses/114140344975479279/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/dipy/statuses/114140344975479279/shares", "type": "Collection", "totalItems": 1 } }