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/andrewleland/statuses/114739262371114444", "type": "Note", "summary": null, "inReplyTo": "https://mas.to/users/andrewleland/statuses/114739262357548877", "published": "2025-06-24T16:23:21Z", "url": "https://mas.to/@andrewleland/114739262371114444", "attributedTo": "https://mas.to/users/andrewleland", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/andrewleland/followers", "https://fosstodon.org/users/patric" ], "sensitive": false, "atomUri": "https://mas.to/users/andrewleland/statuses/114739262371114444", "inReplyToAtomUri": "https://mas.to/users/andrewleland/statuses/114739262357548877", "conversation": "tag:mas.to,2025-06-24:objectId=510313122:objectType=Conversation", "content": "<p>Before that I was jamming with a <a href=\"https://mas.to/tags/plaintext\" class=\"mention hashtag\" rel=\"tag\">#<span>plaintext</span></a> workflow using markdown, coteditor + terminal.app (zsh) + <a href=\"https://mas.to/tags/pandoc\" class=\"mention hashtag\" rel=\"tag\">#<span>pandoc</span></a> after getting red-pilled by <span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@patric\" class=\"u-url mention\">@<span>patric</span></a></span>. (2/8)</p>", "contentMap": { "en": "<p>Before that I was jamming with a <a href=\"https://mas.to/tags/plaintext\" class=\"mention hashtag\" rel=\"tag\">#<span>plaintext</span></a> workflow using markdown, coteditor + terminal.app (zsh) + <a href=\"https://mas.to/tags/pandoc\" class=\"mention hashtag\" rel=\"tag\">#<span>pandoc</span></a> after getting red-pilled by <span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@patric\" class=\"u-url mention\">@<span>patric</span></a></span>. (2/8)</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://fosstodon.org/users/patric", "name": "@patric@fosstodon.org" }, { "type": "Hashtag", "href": "https://mas.to/tags/pandoc", "name": "#pandoc" }, { "type": "Hashtag", "href": "https://mas.to/tags/plaintext", "name": "#plaintext" } ], "replies": { "id": "https://mas.to/users/andrewleland/statuses/114739262371114444/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/andrewleland/statuses/114739262371114444/replies?min_id=114739262384720313&page=true", "partOf": "https://mas.to/users/andrewleland/statuses/114739262371114444/replies", "items": [ "https://mas.to/users/andrewleland/statuses/114739262384720313" ] } }, "likes": { "id": "https://mas.to/users/andrewleland/statuses/114739262371114444/likes", "type": "Collection", "totalItems": 2 }, "shares": { "id": "https://mas.to/users/andrewleland/statuses/114739262371114444/shares", "type": "Collection", "totalItems": 0 } }