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" } ], "id": "https://mstdn.science/users/QNFO/statuses/114747633843024149/replies", "type": "Collection", "first": { "id": "https://mstdn.science/users/QNFO/statuses/114747633843024149/replies?page=true", "type": "CollectionPage", "next": "https://mstdn.science/users/QNFO/statuses/114747633843024149/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.science/users/QNFO/statuses/114747633843024149/replies", "items": [ { "id": "https://mstdn.science/users/QNFO/statuses/114747709842565183", "type": "Note", "summary": null, "inReplyTo": "https://mstdn.science/users/QNFO/statuses/114747633843024149", "published": "2025-06-26T04:11:39Z", "url": "https://mstdn.science/@QNFO/114747709842565183", "attributedTo": "https://mstdn.science/users/QNFO", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.science/users/QNFO/followers" ], "sensitive": false, "atomUri": "https://mstdn.science/users/QNFO/statuses/114747709842565183", "inReplyToAtomUri": "https://mstdn.science/users/QNFO/statuses/114747633843024149", "conversation": "tag:mstdn.science,2025-06-26:objectId=94949222:objectType=Conversation", "content": "<p>I&#39;d like to thank YouTube, Roger Penrose (inspired watching a video where he called these the most fundamental equations), Google Gemini (for making sure my math and logic were sound), and my high-school algebra teacher Mrs. Kincaid, without whom I never would&#39;ve cared what a system of equations is.</p>", "contentMap": { "en": "<p>I&#39;d like to thank YouTube, Roger Penrose (inspired watching a video where he called these the most fundamental equations), Google Gemini (for making sure my math and logic were sound), and my high-school algebra teacher Mrs. Kincaid, without whom I never would&#39;ve cared what a system of equations is.</p>" }, "attachment": [], "tag": [], "replies": { "id": "https://mstdn.science/users/QNFO/statuses/114747709842565183/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.science/users/QNFO/statuses/114747709842565183/replies?only_other_accounts=true&page=true", "partOf": "https://mstdn.science/users/QNFO/statuses/114747709842565183/replies", "items": [] } }, "likes": { "id": "https://mstdn.science/users/QNFO/statuses/114747709842565183/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mstdn.science/users/QNFO/statuses/114747709842565183/shares", "type": "Collection", "totalItems": 0 } } ] } }