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/emmalbriant/statuses/114485249471993090", "type": "Note", "summary": null, "inReplyTo": "https://mastodon.online/users/emmalbriant/statuses/114485248020397166", "published": "2025-05-10T19:44:32Z", "url": "https://mastodon.online/@emmalbriant/114485249471993090", "attributedTo": "https://mastodon.online/users/emmalbriant", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.online/users/emmalbriant/followers", "https://mastodon.social/users/alicetiara", "https://mstdn.social/users/mutalenkonde", "https://mastodon.social/users/juliaebner" ], "sensitive": false, "atomUri": "https://mastodon.online/users/emmalbriant/statuses/114485249471993090", "inReplyToAtomUri": "https://mastodon.online/users/emmalbriant/statuses/114485248020397166", "conversation": "tag:mastodon.online,2025-05-10:objectId=505691758:objectType=Conversation", "content": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@alicetiara\" class=\"u-url mention\">@<span>alicetiara</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mstdn.social/@mutalenkonde\" class=\"u-url mention\">@<span>mutalenkonde</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@juliaebner\" class=\"u-url mention\">@<span>juliaebner</span></a></span> Here you can find AoIR’s Risky Research Guide, which we refer to in the video <a href=\"https://aoir.org/riskyresearchguide/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">aoir.org/riskyresearchguide/</span><span class=\"invisible\"></span></a> <a href=\"https://mastodon.online/tags/research\" class=\"mention hashtag\" rel=\"tag\">#<span>research</span></a> <a href=\"https://mastodon.online/tags/aoir\" class=\"mention hashtag\" rel=\"tag\">#<span>aoir</span></a> <a href=\"https://mastodon.online/tags/researchmethods\" class=\"mention hashtag\" rel=\"tag\">#<span>researchmethods</span></a> <a href=\"https://mastodon.online/tags/internet\" class=\"mention hashtag\" rel=\"tag\">#<span>internet</span></a></p>", "contentMap": { "en": "<p><span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@alicetiara\" class=\"u-url mention\">@<span>alicetiara</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mstdn.social/@mutalenkonde\" class=\"u-url mention\">@<span>mutalenkonde</span></a></span> <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@juliaebner\" class=\"u-url mention\">@<span>juliaebner</span></a></span> Here you can find AoIR’s Risky Research Guide, which we refer to in the video <a href=\"https://aoir.org/riskyresearchguide/\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"\">aoir.org/riskyresearchguide/</span><span class=\"invisible\"></span></a> <a href=\"https://mastodon.online/tags/research\" class=\"mention hashtag\" rel=\"tag\">#<span>research</span></a> <a href=\"https://mastodon.online/tags/aoir\" class=\"mention hashtag\" rel=\"tag\">#<span>aoir</span></a> <a href=\"https://mastodon.online/tags/researchmethods\" class=\"mention hashtag\" rel=\"tag\">#<span>researchmethods</span></a> <a href=\"https://mastodon.online/tags/internet\" class=\"mention hashtag\" rel=\"tag\">#<span>internet</span></a></p>" }, "updated": "2025-05-10T19:46:52Z", "attachment": [], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/alicetiara", "name": "@alicetiara@mastodon.social" }, { "type": "Mention", "href": "https://mstdn.social/users/mutalenkonde", "name": "@mutalenkonde@mstdn.social" }, { "type": "Mention", "href": "https://mastodon.social/users/juliaebner", "name": "@juliaebner@mastodon.social" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/research", "name": "#research" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/aoir", "name": "#aoir" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/researchmethods", "name": "#researchmethods" }, { "type": "Hashtag", "href": "https://mastodon.online/tags/Internet", "name": "#Internet" } ], "replies": { "id": "https://mastodon.online/users/emmalbriant/statuses/114485249471993090/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.online/users/emmalbriant/statuses/114485249471993090/replies?min_id=114485252550673039&page=true", "partOf": "https://mastodon.online/users/emmalbriant/statuses/114485249471993090/replies", "items": [ "https://mastodon.online/users/emmalbriant/statuses/114485252550673039" ] } }, "likes": { "id": "https://mastodon.online/users/emmalbriant/statuses/114485249471993090/likes", "type": "Collection", "totalItems": 0 }, "shares": { "id": "https://mastodon.online/users/emmalbriant/statuses/114485249471993090/shares", "type": "Collection", "totalItems": 2 } }