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", "Emoji": "toot:Emoji" } ], "id": "https://mastodon.ar.al/users/aral/statuses/114309165749084596", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-09T17:24:08Z", "url": "https://mastodon.ar.al/@aral/114309165749084596", "attributedTo": "https://mastodon.ar.al/users/aral", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.ar.al/users/aral/followers" ], "sensitive": false, "atomUri": "https://mastodon.ar.al/users/aral/statuses/114309165749084596", "inReplyToAtomUri": null, "conversation": "tag:mastodon.ar.al,2025-04-09:objectId=52191261:objectType=Conversation", "content": "<p>Coming tomorrow to Kitten… Kitten icons!</p><p>Kitten will have built-in support for the Phosphor icons set with full authoring-time language intelligence where you can search for icons via category and tag (in addition to the canonical alphabetical categorisation).</p><p>Thought this was going to take me a few hours but it took a few days thanks to running into issues with size limits, type inference from JavaScript types in modules, etc., with the TypeScript language server but I believe I’ve finally cracked it :)</p><p>:kitten: 💕</p><p><a href=\"https://mastodon.ar.al/tags/Kitten\" class=\"mention hashtag\" rel=\"tag\">#<span>Kitten</span></a> <a href=\"https://mastodon.ar.al/tags/SmallWeb\" class=\"mention hashtag\" rel=\"tag\">#<span>SmallWeb</span></a> <a href=\"https://mastodon.ar.al/tags/icons\" class=\"mention hashtag\" rel=\"tag\">#<span>icons</span></a> <a href=\"https://mastodon.ar.al/tags/PhosphorIcons\" class=\"mention hashtag\" rel=\"tag\">#<span>PhosphorIcons</span></a> <a href=\"https://mastodon.ar.al/tags/staticTypes\" class=\"mention hashtag\" rel=\"tag\">#<span>staticTypes</span></a> <a href=\"https://mastodon.ar.al/tags/taxonomy\" class=\"mention hashtag\" rel=\"tag\">#<span>taxonomy</span></a> <a href=\"https://mastodon.ar.al/tags/web\" class=\"mention hashtag\" rel=\"tag\">#<span>web</span></a> <a href=\"https://mastodon.ar.al/tags/dev\" class=\"mention hashtag\" rel=\"tag\">#<span>dev</span></a> <a href=\"https://mastodon.ar.al/tags/TypeScript\" class=\"mention hashtag\" rel=\"tag\">#<span>TypeScript</span></a> <a href=\"https://mastodon.ar.al/tags/languageServer\" class=\"mention hashtag\" rel=\"tag\">#<span>languageServer</span></a></p>", "contentMap": { "en": "<p>Coming tomorrow to Kitten… Kitten icons!</p><p>Kitten will have built-in support for the Phosphor icons set with full authoring-time language intelligence where you can search for icons via category and tag (in addition to the canonical alphabetical categorisation).</p><p>Thought this was going to take me a few hours but it took a few days thanks to running into issues with size limits, type inference from JavaScript types in modules, etc., with the TypeScript language server but I believe I’ve finally cracked it :)</p><p>:kitten: 💕</p><p><a href=\"https://mastodon.ar.al/tags/Kitten\" class=\"mention hashtag\" rel=\"tag\">#<span>Kitten</span></a> <a href=\"https://mastodon.ar.al/tags/SmallWeb\" class=\"mention hashtag\" rel=\"tag\">#<span>SmallWeb</span></a> <a href=\"https://mastodon.ar.al/tags/icons\" class=\"mention hashtag\" rel=\"tag\">#<span>icons</span></a> <a href=\"https://mastodon.ar.al/tags/PhosphorIcons\" class=\"mention hashtag\" rel=\"tag\">#<span>PhosphorIcons</span></a> <a href=\"https://mastodon.ar.al/tags/staticTypes\" class=\"mention hashtag\" rel=\"tag\">#<span>staticTypes</span></a> <a href=\"https://mastodon.ar.al/tags/taxonomy\" class=\"mention hashtag\" rel=\"tag\">#<span>taxonomy</span></a> <a href=\"https://mastodon.ar.al/tags/web\" class=\"mention hashtag\" rel=\"tag\">#<span>web</span></a> <a href=\"https://mastodon.ar.al/tags/dev\" class=\"mention hashtag\" rel=\"tag\">#<span>dev</span></a> <a href=\"https://mastodon.ar.al/tags/TypeScript\" class=\"mention hashtag\" rel=\"tag\">#<span>TypeScript</span></a> <a href=\"https://mastodon.ar.al/tags/languageServer\" class=\"mention hashtag\" rel=\"tag\">#<span>languageServer</span></a></p>" }, "updated": "2025-04-09T17:25:13Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://s3-eu-central-1.amazonaws.com/mastodon-aral/media_attachments/files/114/309/165/728/656/736/original/30cc50300d2aab7d.png", "name": "Screenshot of detail of a Kitten template open in a code editor. Author is editing Kitten component reference in a markdown block, within a H2 header. The caret is at <${kitten.icons.tags. and the autocompletion box is open showing a list of possible fields: a11y, accessibility, accessible, accomodations, account, accounts, accuracy, acrobat, activity, add. The reasty of the line of code reads } weight=duotone size=1.5em/>", "blurhash": "UBRC}M%M_3D%t6WBaxW=~qIU9GtRj^k9WCs:", "width": 1270, "height": 604 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/kitten", "name": "#kitten" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/SmallWeb", "name": "#SmallWeb" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/icons", "name": "#icons" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/phosphoricons", "name": "#phosphoricons" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/statictypes", "name": "#statictypes" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/taxonomy", "name": "#taxonomy" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/web", "name": "#web" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/dev", "name": "#dev" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/typescript", "name": "#typescript" }, { "type": "Hashtag", "href": "https://mastodon.ar.al/tags/languageserver", "name": "#languageserver" }, { "id": "https://mastodon.ar.al/emojis/134702", "type": "Emoji", "name": ":kitten:", "updated": "2022-11-25T18:34:32Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://s3-eu-central-1.amazonaws.com/mastodon-aral/custom_emojis/images/000/134/702/original/3630b351addf5d80.png" } } ], "replies": { "id": "https://mastodon.ar.al/users/aral/statuses/114309165749084596/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.ar.al/users/aral/statuses/114309165749084596/replies?min_id=114315178316529711&page=true", "partOf": "https://mastodon.ar.al/users/aral/statuses/114309165749084596/replies", "items": [ "https://mastodon.ar.al/users/aral/statuses/114315178316529711" ] } }, "likes": { "id": "https://mastodon.ar.al/users/aral/statuses/114309165749084596/likes", "type": "Collection", "totalItems": 7 }, "shares": { "id": "https://mastodon.ar.al/users/aral/statuses/114309165749084596/shares", "type": "Collection", "totalItems": 1 } }