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", "Hashtag": "as:Hashtag" } ], "id": "https://mas.to/users/frontenddogma/statuses/114567337563112733", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-25T07:40:37Z", "url": "https://mas.to/@frontenddogma/114567337563112733", "attributedTo": "https://mas.to/users/frontenddogma", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/frontenddogma/followers", "https://mastodon.social/users/btconf", "https://w3c.social/users/tink" ], "sensitive": false, "atomUri": "https://mas.to/users/frontenddogma/statuses/114567337563112733", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-05-25:objectId=496621317:objectType=Conversation", "content": "<p>There Is No Spoon, by <span class=\"h-card\" translate=\"no\"><a href=\"https://w3c.social/@tink\" class=\"u-url mention\">@<span>tink</span></a></span> (<span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@btconf\" class=\"u-url mention\">@<span>btconf</span></a></span>):</p><p><a href=\"https://www.youtube.com/watch?v=fyRxd072JrA\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=fyRxd072Jr</span><span class=\"invisible\">A</span></a></p><p><a href=\"https://mas.to/tags/videos\" class=\"mention hashtag\" rel=\"tag\">#<span>videos</span></a> <a href=\"https://mas.to/tags/ai\" class=\"mention hashtag\" rel=\"tag\">#<span>ai</span></a> <a href=\"https://mas.to/tags/accessibility\" class=\"mention hashtag\" rel=\"tag\">#<span>accessibility</span></a></p>", "contentMap": { "en": "<p>There Is No Spoon, by <span class=\"h-card\" translate=\"no\"><a href=\"https://w3c.social/@tink\" class=\"u-url mention\">@<span>tink</span></a></span> (<span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@btconf\" class=\"u-url mention\">@<span>btconf</span></a></span>):</p><p><a href=\"https://www.youtube.com/watch?v=fyRxd072JrA\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">youtube.com/watch?v=fyRxd072Jr</span><span class=\"invisible\">A</span></a></p><p><a href=\"https://mas.to/tags/videos\" class=\"mention hashtag\" rel=\"tag\">#<span>videos</span></a> <a href=\"https://mas.to/tags/ai\" class=\"mention hashtag\" rel=\"tag\">#<span>ai</span></a> <a href=\"https://mas.to/tags/accessibility\" class=\"mention hashtag\" rel=\"tag\">#<span>accessibility</span></a></p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://w3c.social/users/tink", "name": "@tink@w3c.social" }, { "type": "Mention", "href": "https://mastodon.social/users/btconf", "name": "@btconf@mastodon.social" }, { "type": "Hashtag", "href": "https://mas.to/tags/accessibility", "name": "#accessibility" }, { "type": "Hashtag", "href": "https://mas.to/tags/ai", "name": "#ai" }, { "type": "Hashtag", "href": "https://mas.to/tags/videos", "name": "#videos" } ], "replies": { "id": "https://mas.to/users/frontenddogma/statuses/114567337563112733/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/frontenddogma/statuses/114567337563112733/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/frontenddogma/statuses/114567337563112733/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/frontenddogma/statuses/114567337563112733/likes", "type": "Collection", "totalItems": 8 }, "shares": { "id": "https://mas.to/users/frontenddogma/statuses/114567337563112733/shares", "type": "Collection", "totalItems": 3 } }