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/113879362932836921", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-01-23T19:39:37Z", "url": "https://mastodon.social/@dipy/113879362932836921", "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/113879362932836921", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-01-23:objectId=902017198:objectType=Conversation", "content": "<p>🌟 Keynote Speakers for DIPY Workshop 2025! 🌟</p><p>1️⃣ Simon Warfield (Harvard): Computational radiology &amp; fMRI expert. 🏥<br />2️⃣ Alexandra Badea (Duke): Alzheimer&#39;s research &amp; advanced MRI. 🧠<br />3️⃣ Julien Cohen-Adad (Polytechnique): Diffusion imaging &amp; open science leader. 🌍</p><p>📅 March 17-21 – Register: workshop.dipy.org</p><p><a href=\"https://mastodon.social/tags/DIPYWorkshop25\" class=\"mention hashtag\" rel=\"tag\">#<span>DIPYWorkshop25</span></a> <a href=\"https://mastodon.social/tags/MRI\" class=\"mention hashtag\" rel=\"tag\">#<span>MRI</span></a> <a href=\"https://mastodon.social/tags/Neuroimaging\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroimaging</span></a> <a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.social/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a> <a href=\"https://mastodon.social/tags/MachineLearning\" class=\"mention hashtag\" rel=\"tag\">#<span>MachineLearning</span></a> <a href=\"https://mastodon.social/tags/workshop\" class=\"mention hashtag\" rel=\"tag\">#<span>workshop</span></a> <a href=\"https://mastodon.social/tags/medical\" class=\"mention hashtag\" rel=\"tag\">#<span>medical</span></a> <a href=\"https://mastodon.social/tags/imaging\" class=\"mention hashtag\" rel=\"tag\">#<span>imaging</span></a></p>", "contentMap": { "en": "<p>🌟 Keynote Speakers for DIPY Workshop 2025! 🌟</p><p>1️⃣ Simon Warfield (Harvard): Computational radiology &amp; fMRI expert. 🏥<br />2️⃣ Alexandra Badea (Duke): Alzheimer&#39;s research &amp; advanced MRI. 🧠<br />3️⃣ Julien Cohen-Adad (Polytechnique): Diffusion imaging &amp; open science leader. 🌍</p><p>📅 March 17-21 – Register: workshop.dipy.org</p><p><a href=\"https://mastodon.social/tags/DIPYWorkshop25\" class=\"mention hashtag\" rel=\"tag\">#<span>DIPYWorkshop25</span></a> <a href=\"https://mastodon.social/tags/MRI\" class=\"mention hashtag\" rel=\"tag\">#<span>MRI</span></a> <a href=\"https://mastodon.social/tags/Neuroimaging\" class=\"mention hashtag\" rel=\"tag\">#<span>Neuroimaging</span></a> <a href=\"https://mastodon.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> <a href=\"https://mastodon.social/tags/OpenSource\" class=\"mention hashtag\" rel=\"tag\">#<span>OpenSource</span></a> <a href=\"https://mastodon.social/tags/MachineLearning\" class=\"mention hashtag\" rel=\"tag\">#<span>MachineLearning</span></a> <a href=\"https://mastodon.social/tags/workshop\" class=\"mention hashtag\" rel=\"tag\">#<span>workshop</span></a> <a href=\"https://mastodon.social/tags/medical\" class=\"mention hashtag\" rel=\"tag\">#<span>medical</span></a> <a href=\"https://mastodon.social/tags/imaging\" class=\"mention hashtag\" rel=\"tag\">#<span>imaging</span></a></p>" }, "updated": "2025-01-23T19:40:45Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/113/879/348/680/231/801/original/806e393c68a88c2d.png", "name": null, "blurhash": "UYP?aVWUadnhuPbJWXxuQkozV@WCE3t8t6aJ", "width": 2494, "height": 3325 }, { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/113/879/348/761/935/319/original/f850e7cc8fcea272.png", "name": "", "blurhash": "UgPZGjxaoIRP*0NHR*x]Qlt7WBWB9utRt7V?", "focalPoint": [ 0.41, -0.55 ], "width": 2494, "height": 3325 }, { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/113/879/348/670/871/012/original/adff5569fd2c538c.png", "name": "", "blurhash": "UfPi#It7oJVsysNHR*x]Qlt7WBWB9utRt7V?", "focalPoint": [ 0.41, -0.57 ], "width": 2494, "height": 3325 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/dipyworkshop25", "name": "#dipyworkshop25" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/mri", "name": "#mri" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/neuroimaging", "name": "#neuroimaging" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/opensource", "name": "#opensource" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/machinelearning", "name": "#machinelearning" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/workshop", "name": "#workshop" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/medical", "name": "#medical" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/imaging", "name": "#imaging" } ], "replies": { "id": "https://mastodon.social/users/dipy/statuses/113879362932836921/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/dipy/statuses/113879362932836921/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/dipy/statuses/113879362932836921/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/dipy/statuses/113879362932836921/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mastodon.social/users/dipy/statuses/113879362932836921/shares", "type": "Collection", "totalItems": 2 } }