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://hostux.social/users/lfa/statuses/114717904375551322", "type": "Note", "summary": null, "inReplyTo": "https://urusai.social/users/nazokiyoubinbou/statuses/114717877959399228", "published": "2025-06-20T21:51:44Z", "url": "https://hostux.social/@lfa/114717904375551322", "attributedTo": "https://hostux.social/users/lfa", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://hostux.social/users/lfa/followers", "https://urusai.social/users/nazokiyoubinbou" ], "sensitive": false, "atomUri": "https://hostux.social/users/lfa/statuses/114717904375551322", "inReplyToAtomUri": "https://urusai.social/users/nazokiyoubinbou/statuses/114717877959399228", "conversation": "tag:hostux.social,2025-06-20:objectId=150713380:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://urusai.social/@nazokiyoubinbou\" class=\"u-url mention\">@<span>nazokiyoubinbou</span></a></span> I think back then the only layer of compatibility was software developed for the <a href=\"https://hostux.social/tags/CPM\" class=\"mention hashtag\" rel=\"tag\">#<span>CPM</span></a> OS, mainly business software, and that&#39;s why the MSX-DOS was made binary compatible with the CP/M-80. I never used the CP/M, so if some CP/M user/expert read this, she can confirm/deny/shed some light.</p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://urusai.social/@nazokiyoubinbou\" class=\"u-url mention\">@<span>nazokiyoubinbou</span></a></span> I think back then the only layer of compatibility was software developed for the <a href=\"https://hostux.social/tags/CPM\" class=\"mention hashtag\" rel=\"tag\">#<span>CPM</span></a> OS, mainly business software, and that&#39;s why the MSX-DOS was made binary compatible with the CP/M-80. I never used the CP/M, so if some CP/M user/expert read this, she can confirm/deny/shed some light.</p>" }, "attachment": [], "tag": [ { "type": "Mention", "href": "https://urusai.social/users/nazokiyoubinbou", "name": "@nazokiyoubinbou@urusai.social" }, { "type": "Hashtag", "href": "https://hostux.social/tags/cpm", "name": "#cpm" } ], "replies": { "id": "https://hostux.social/users/lfa/statuses/114717904375551322/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://hostux.social/users/lfa/statuses/114717904375551322/replies?only_other_accounts=true&page=true", "partOf": "https://hostux.social/users/lfa/statuses/114717904375551322/replies", "items": [] } }, "likes": { "id": "https://hostux.social/users/lfa/statuses/114717904375551322/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://hostux.social/users/lfa/statuses/114717904375551322/shares", "type": "Collection", "totalItems": 0 } }