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://mastodon.online/users/KilleansRow/statuses/114282683787618674", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.online/users/ThreeSigma/statuses/114280518249920393", "published": "2025-04-05T01:09:25Z", "url": "https://mastodon.online/@KilleansRow/114282683787618674", "attributedTo": "https://mastodon.online/users/KilleansRow", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.online/users/KilleansRow/followers", "https://mastodon.online/users/ThreeSigma" ], "sensitive": false, "atomUri": "https://mastodon.online/users/KilleansRow/statuses/114282683787618674", "inReplyToAtomUri": "https://mastodon.online/users/ThreeSigma/statuses/114280518249920393", "conversation": "tag:mastodon.online,2025-03-31:objectId=485431063:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.online/@ThreeSigma\" class=\"u-url mention\">@<span>ThreeSigma</span></a></span> if that were true we’d not have had <a href=\"https://mastodon.online/tags/QuantumMechanics\" class=\"mention hashtag\" rel=\"tag\">#<span>QuantumMechanics</span></a> or <a href=\"https://mastodon.online/tags/Relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>Relativity</span></a> when we did. The history of Physics is replete with those stories. So if it was all wrong and abandoned until the experiments could be done ( in many cases decades later) everyone would have gone home already ? Science has *never* worked that way. So motive remains a question. The hard questions grab at the brightest, most stubborn people, perpetually, ultimately for the better</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.online/@ThreeSigma\" class=\"u-url mention\">@<span>ThreeSigma</span></a></span> if that were true we’d not have had <a href=\"https://mastodon.online/tags/QuantumMechanics\" class=\"mention hashtag\" rel=\"tag\">#<span>QuantumMechanics</span></a> or <a href=\"https://mastodon.online/tags/Relativity\" class=\"mention hashtag\" rel=\"tag\">#<span>Relativity</span></a> when we did. The history of Physics is replete with those stories. So if it was all wrong and abandoned until the experiments could be done ( in many cases decades later) everyone would have gone home already ? Science has *never* worked that way. So motive remains a question. The hard questions grab at the brightest, most stubborn people, perpetually, ultimately for the better</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.online/users/ThreeSigma", "name": "@ThreeSigma" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/quantummechanics", "name": "#quantummechanics" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/relativity", "name": "#relativity" } ], "replies": { "id": "https://mastodon.online/users/KilleansRow/statuses/114282683787618674/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.online/users/KilleansRow/statuses/114282683787618674/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.online/users/KilleansRow/statuses/114282683787618674/replies", "items": [] } }, "likes": { "id": "https://mastodon.online/users/KilleansRow/statuses/114282683787618674/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.online/users/KilleansRow/statuses/114282683787618674/shares", "type": "Collection", "totalItems": 0 } }