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/eisnerguy1/statuses/114288064744203752", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-05T23:57:52Z", "url": "https://mastodon.social/@eisnerguy1/114288064744203752", "attributedTo": "https://mastodon.social/users/eisnerguy1", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/eisnerguy1/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/eisnerguy1/statuses/114288064744203752", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-05:objectId=964963743:objectType=Conversation", "content": "<p>Updated my <a href=\"https://mastodon.social/tags/DogCow\" class=\"mention hashtag\" rel=\"tag\">#<span>DogCow</span></a> Moof! app for <a href=\"https://mastodon.social/tags/Newton\" class=\"mention hashtag\" rel=\"tag\">#<span>Newton</span></a>. Check out the included Read Me for more info. Enjoy! 🙂👍 <a href=\"https://tinyurl.com/ClarusTheDogCow-v2\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">tinyurl.com/ClarusTheDogCow-v2</span><span class=\"invisible\"></span></a> 🐶 🐮 <br /><a href=\"https://mastodon.social/tags/apple\" class=\"mention hashtag\" rel=\"tag\">#<span>apple</span></a> <a href=\"https://mastodon.social/tags/messagepad\" class=\"mention hashtag\" rel=\"tag\">#<span>messagepad</span></a> <a href=\"https://mastodon.social/tags/pda\" class=\"mention hashtag\" rel=\"tag\">#<span>pda</span></a> <a href=\"https://mastodon.social/tags/vintagecomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>vintagecomputing</span></a> <a href=\"https://mastodon.social/tags/AppleNewton\" class=\"mention hashtag\" rel=\"tag\">#<span>AppleNewton</span></a> <a href=\"https://mastodon.social/tags/newtonmessagepad\" class=\"mention hashtag\" rel=\"tag\">#<span>newtonmessagepad</span></a> <a href=\"https://mastodon.social/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a> <a href=\"https://mastodon.social/tags/Marchintosh\" class=\"mention hashtag\" rel=\"tag\">#<span>Marchintosh</span></a></p>", "contentMap": { "en": "<p>Updated my <a href=\"https://mastodon.social/tags/DogCow\" class=\"mention hashtag\" rel=\"tag\">#<span>DogCow</span></a> Moof! app for <a href=\"https://mastodon.social/tags/Newton\" class=\"mention hashtag\" rel=\"tag\">#<span>Newton</span></a>. Check out the included Read Me for more info. Enjoy! 🙂👍 <a href=\"https://tinyurl.com/ClarusTheDogCow-v2\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">tinyurl.com/ClarusTheDogCow-v2</span><span class=\"invisible\"></span></a> 🐶 🐮 <br /><a href=\"https://mastodon.social/tags/apple\" class=\"mention hashtag\" rel=\"tag\">#<span>apple</span></a> <a href=\"https://mastodon.social/tags/messagepad\" class=\"mention hashtag\" rel=\"tag\">#<span>messagepad</span></a> <a href=\"https://mastodon.social/tags/pda\" class=\"mention hashtag\" rel=\"tag\">#<span>pda</span></a> <a href=\"https://mastodon.social/tags/vintagecomputing\" class=\"mention hashtag\" rel=\"tag\">#<span>vintagecomputing</span></a> <a href=\"https://mastodon.social/tags/AppleNewton\" class=\"mention hashtag\" rel=\"tag\">#<span>AppleNewton</span></a> <a href=\"https://mastodon.social/tags/newtonmessagepad\" class=\"mention hashtag\" rel=\"tag\">#<span>newtonmessagepad</span></a> <a href=\"https://mastodon.social/tags/RetroComputing\" class=\"mention hashtag\" rel=\"tag\">#<span>RetroComputing</span></a> <a href=\"https://mastodon.social/tags/Marchintosh\" class=\"mention hashtag\" rel=\"tag\">#<span>Marchintosh</span></a></p>" }, "updated": "2025-04-06T00:03:24Z", "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/288/040/689/604/583/original/cdff421dca5802f0.png", "name": "Clarus the DogCow app running in the Einstein emulator.", "blurhash": "UCPjGcRjayxu-;xu%Mt74nM{9Fof~qRjD%WB", "focalPoint": [ -0.77, -0.52 ], "width": 640, "height": 960 }, { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/288/041/242/887/360/original/82d9648b758318fe.png", "name": "Information about the \"Clarus the DogCow 2.0.sit\" file.", "blurhash": "UQOzSs%L4nxu~qD%%Mt7M|-;t6WBIUxufPWB", "focalPoint": [ -0.69, 0.7 ], "width": 1510, "height": 1434 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/dogcow", "name": "#dogcow" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/newton", "name": "#newton" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/apple", "name": "#apple" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/messagepad", "name": "#messagepad" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/pda", "name": "#pda" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/vintagecomputing", "name": "#vintagecomputing" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/applenewton", "name": "#applenewton" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/NewtonMessagePad", "name": "#NewtonMessagePad" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/retrocomputing", "name": "#retrocomputing" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/MARCHintosh", "name": "#MARCHintosh" } ], "replies": { "id": "https://mastodon.social/users/eisnerguy1/statuses/114288064744203752/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/eisnerguy1/statuses/114288064744203752/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/eisnerguy1/statuses/114288064744203752/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/eisnerguy1/statuses/114288064744203752/likes", "type": "Collection", "totalItems": 13 }, "shares": { "id": "https://mastodon.social/users/eisnerguy1/statuses/114288064744203752/shares", "type": "Collection", "totalItems": 8 } }