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.sdf.org/users/eiZen/statuses/114284751925420314", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.sdf.org/users/eiZen/statuses/114284727447639506", "published": "2025-04-05T09:55:22Z", "url": "https://mastodon.sdf.org/@eiZen/114284751925420314", "attributedTo": "https://mastodon.sdf.org/users/eiZen", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.sdf.org/users/eiZen/followers" ], "sensitive": false, "atomUri": "https://mastodon.sdf.org/users/eiZen/statuses/114284751925420314", "inReplyToAtomUri": "https://mastodon.sdf.org/users/eiZen/statuses/114284727447639506", "conversation": "tag:mastodon.sdf.org,2025-04-05:objectId=256522255:objectType=Conversation", "content": "<p>Japanese CP/M Handbook Æsthetics</p><p><a href=\"https://mastodon.sdf.org/tags/Japanese\" class=\"mention hashtag\" rel=\"tag\">#<span>Japanese</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroTech\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroTech</span></a><br /><a href=\"https://mastodon.sdf.org/tags/CPM\" class=\"mention hashtag\" rel=\"tag\">#<span>CPM</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a><br /><a href=\"https://mastodon.sdf.org/tags/Typography\" class=\"mention hashtag\" rel=\"tag\">#<span>Typography</span></a></p><p>3/</p>", "contentMap": { "en": "<p>Japanese CP/M Handbook Æsthetics</p><p><a href=\"https://mastodon.sdf.org/tags/Japanese\" class=\"mention hashtag\" rel=\"tag\">#<span>Japanese</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroTech\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroTech</span></a><br /><a href=\"https://mastodon.sdf.org/tags/CPM\" class=\"mention hashtag\" rel=\"tag\">#<span>CPM</span></a> <a href=\"https://mastodon.sdf.org/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a><br /><a href=\"https://mastodon.sdf.org/tags/Typography\" class=\"mention hashtag\" rel=\"tag\">#<span>Typography</span></a></p><p>3/</p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/media_attachments/files/114/284/733/484/015/474/original/c4a4d6422e41987a.png", "name": "A serial number closeup ", "blurhash": "UWP?]ut6^%ja=_a#NeWV^jWCM}fP0koe$~j[", "width": 1080, "height": 775 }, { "type": "Document", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/media_attachments/files/114/284/733/144/493/829/original/bf58802baf28e63f.png", "name": "Stamp", "blurhash": "UHR:A]WC~q%LRjWBt7t7_3j[9GRj%Mt7M{IU", "width": 414, "height": 341 }, { "type": "Document", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/media_attachments/files/114/284/733/599/441/942/original/d28669b72e28531e.png", "name": "Stamp, serial numbers, handwritten numbers", "blurhash": "U6S=*SMuTurDMHR.QmpI#ktRnOXl,Etlt+Vt", "focalPoint": [ -0.040931523, 0.51186264 ], "width": 1080, "height": 1543 }, { "type": "Document", "mediaType": "image/png", "url": "https://mastodon.sdf.org/system/media_attachments/files/114/284/733/382/443/666/original/b28549b614369736.png", "name": "A price tag, I guess", "blurhash": "UCRMPM_4aJo#_3IVRjt7ShV?ozs9IUxubcM{", "focalPoint": [ 0.6240655, -0.5103314 ], "width": 944, "height": 598 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/japanese", "name": "#japanese" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/retrotech", "name": "#retrotech" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/cpm", "name": "#cpm" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/typography", "name": "#typography" } ], "replies": { "id": "https://mastodon.sdf.org/users/eiZen/statuses/114284751925420314/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.sdf.org/users/eiZen/statuses/114284751925420314/replies?min_id=114284789928173609&page=true", "partOf": "https://mastodon.sdf.org/users/eiZen/statuses/114284751925420314/replies", "items": [ "https://mastodon.sdf.org/users/eiZen/statuses/114284789928173609" ] } } }