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/Bas/statuses/114789063436617730", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.social/users/Bas/statuses/114784899508724234", "published": "2025-07-03T11:28:25Z", "url": "https://mastodon.social/@Bas/114789063436617730", "attributedTo": "https://mastodon.social/users/Bas", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/Bas/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/Bas/statuses/114789063436617730", "inReplyToAtomUri": "https://mastodon.social/users/Bas/statuses/114784899508724234", "conversation": "tag:mastodon.social,2025-07-02:objectId=1038170423:objectType=Conversation", "content": "<p>My modified version of the cartridges for the Cartridge Player are now available as a free download at <a href=\"https://mastodon.social/tags/Makerworld\" class=\"mention hashtag\" rel=\"tag\">#<span>Makerworld</span></a>! 🔥</p><p>👉 <a href=\"https://makerworld.com/nl/models/1571988-cartridge-for-cartridge-player\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">makerworld.com/nl/models/15719</span><span class=\"invisible\">88-cartridge-for-cartridge-player</span></a></p><p>They include an inset for sticker labels and some other tweaks. </p><p><a href=\"https://mastodon.social/tags/3DPrinting\" class=\"mention hashtag\" rel=\"tag\">#<span>3DPrinting</span></a> <a href=\"https://mastodon.social/tags/Apple\" class=\"mention hashtag\" rel=\"tag\">#<span>Apple</span></a></p>", "contentMap": { "en": "<p>My modified version of the cartridges for the Cartridge Player are now available as a free download at <a href=\"https://mastodon.social/tags/Makerworld\" class=\"mention hashtag\" rel=\"tag\">#<span>Makerworld</span></a>! 🔥</p><p>👉 <a href=\"https://makerworld.com/nl/models/1571988-cartridge-for-cartridge-player\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">makerworld.com/nl/models/15719</span><span class=\"invisible\">88-cartridge-for-cartridge-player</span></a></p><p>They include an inset for sticker labels and some other tweaks. </p><p><a href=\"https://mastodon.social/tags/3DPrinting\" class=\"mention hashtag\" rel=\"tag\">#<span>3DPrinting</span></a> <a href=\"https://mastodon.social/tags/Apple\" class=\"mention hashtag\" rel=\"tag\">#<span>Apple</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/789/062/585/386/131/original/edf130dc65d6bf2a.jpeg", "name": null, "blurhash": "USJb5BX8kW%3?b-;xutR_NM{t6bHtlIUWAs;", "width": 3325, "height": 2494 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/789/062/904/998/130/original/e01ea4a61422cf5b.jpeg", "name": null, "blurhash": "UMJHzHxu?vjv?v-=MxIU~qt8IU%L%2WBkVkC", "width": 3325, "height": 2494 }, { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.social/media_attachments/files/114/789/063/206/695/616/original/d993d4a86dd91525.jpeg", "name": null, "blurhash": "UTJt;zkS%1nN%gMxj]xv_NRiNGIU?ctRs.xu", "width": 3325, "height": 2494 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/makerworld", "name": "#makerworld" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/3dprinting", "name": "#3dprinting" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/apple", "name": "#apple" } ], "replies": { "id": "https://mastodon.social/users/Bas/statuses/114789063436617730/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/Bas/statuses/114789063436617730/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/Bas/statuses/114789063436617730/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/Bas/statuses/114789063436617730/likes", "type": "Collection", "totalItems": 13 }, "shares": { "id": "https://mastodon.social/users/Bas/statuses/114789063436617730/shares", "type": "Collection", "totalItems": 6 } }