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://mstdn.social/users/dalfen/statuses/114753006686953886", "type": "Note", "summary": null, "inReplyTo": "https://mstdn.social/users/dalfen/statuses/114752980073316635", "published": "2025-06-27T02:38:43Z", "url": "https://mstdn.social/@dalfen/114753006686953886", "attributedTo": "https://mstdn.social/users/dalfen", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mstdn.social/users/dalfen/followers" ], "sensitive": false, "atomUri": "https://mstdn.social/users/dalfen/statuses/114753006686953886", "inReplyToAtomUri": "https://mstdn.social/users/dalfen/statuses/114752980073316635", "conversation": "tag:mstdn.social,2025-06-27:objectId=574425248:objectType=Conversation", "content": "<p>Note: Panel recommendations don’t mean the multi-dose vials are banned; FDA would need to revoke approval.</p><p>Again, let me direct you to its website:</p><p><a href=\"https://www.fda.gov/vaccines-blood-biologics/safety-availability-biologics/thimerosal-and-vaccines\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">fda.gov/vaccines-blood-biologi</span><span class=\"invisible\">cs/safety-availability-biologics/thimerosal-and-vaccines</span></a></p><p>(Archive it quickly!)</p><p>--<br />/11 🧵<br /><a href=\"https://mstdn.social/tags/USA\" class=\"mention hashtag\" rel=\"tag\">#<span>USA</span></a> <a href=\"https://mstdn.social/tags/USgov\" class=\"mention hashtag\" rel=\"tag\">#<span>USgov</span></a> <a href=\"https://mstdn.social/tags/CDC\" class=\"mention hashtag\" rel=\"tag\">#<span>CDC</span></a> <a href=\"https://mstdn.social/tags/FDA\" class=\"mention hashtag\" rel=\"tag\">#<span>FDA</span></a> <a href=\"https://mstdn.social/tags/HHS\" class=\"mention hashtag\" rel=\"tag\">#<span>HHS</span></a> <a href=\"https://mstdn.social/tags/vaccines\" class=\"mention hashtag\" rel=\"tag\">#<span>vaccines</span></a> <a href=\"https://mstdn.social/tags/VaccinePanel\" class=\"mention hashtag\" rel=\"tag\">#<span>VaccinePanel</span></a> <a href=\"https://mstdn.social/tags/cdc_vaccine_panel\" class=\"mention hashtag\" rel=\"tag\">#<span>cdc_vaccine_panel</span></a> <a href=\"https://mstdn.social/tags/influenza\" class=\"mention hashtag\" rel=\"tag\">#<span>influenza</span></a> <a href=\"https://mstdn.social/tags/ACIP\" class=\"mention hashtag\" rel=\"tag\">#<span>ACIP</span></a></p>", "contentMap": { "en": "<p>Note: Panel recommendations don’t mean the multi-dose vials are banned; FDA would need to revoke approval.</p><p>Again, let me direct you to its website:</p><p><a href=\"https://www.fda.gov/vaccines-blood-biologics/safety-availability-biologics/thimerosal-and-vaccines\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">fda.gov/vaccines-blood-biologi</span><span class=\"invisible\">cs/safety-availability-biologics/thimerosal-and-vaccines</span></a></p><p>(Archive it quickly!)</p><p>--<br />/11 🧵<br /><a href=\"https://mstdn.social/tags/USA\" class=\"mention hashtag\" rel=\"tag\">#<span>USA</span></a> <a href=\"https://mstdn.social/tags/USgov\" class=\"mention hashtag\" rel=\"tag\">#<span>USgov</span></a> <a href=\"https://mstdn.social/tags/CDC\" class=\"mention hashtag\" rel=\"tag\">#<span>CDC</span></a> <a href=\"https://mstdn.social/tags/FDA\" class=\"mention hashtag\" rel=\"tag\">#<span>FDA</span></a> <a href=\"https://mstdn.social/tags/HHS\" class=\"mention hashtag\" rel=\"tag\">#<span>HHS</span></a> <a href=\"https://mstdn.social/tags/vaccines\" class=\"mention hashtag\" rel=\"tag\">#<span>vaccines</span></a> <a href=\"https://mstdn.social/tags/VaccinePanel\" class=\"mention hashtag\" rel=\"tag\">#<span>VaccinePanel</span></a> <a href=\"https://mstdn.social/tags/cdc_vaccine_panel\" class=\"mention hashtag\" rel=\"tag\">#<span>cdc_vaccine_panel</span></a> <a href=\"https://mstdn.social/tags/influenza\" class=\"mention hashtag\" rel=\"tag\">#<span>influenza</span></a> <a href=\"https://mstdn.social/tags/ACIP\" class=\"mention hashtag\" rel=\"tag\">#<span>ACIP</span></a></p>" }, "updated": "2025-06-27T03:44:42Z", "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://media.mstdn.social/media_attachments/files/114/753/005/494/321/797/original/1782825e1e466060.mp4", "name": "GIF: Facts", "blurhash": "UJEoVgt8RioeM}WCfkWB4oaet8a#~UbIWAj?", "width": 480, "height": 356 } ], "tag": [ { "type": "Hashtag", "href": "https://mstdn.social/tags/USA", "name": "#USA" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/USgov", "name": "#USgov" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/cdc", "name": "#cdc" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/fda", "name": "#fda" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/hhs", "name": "#hhs" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/vaccines", "name": "#vaccines" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/vaccinepanel", "name": "#vaccinepanel" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/cdc_vaccine_panel", "name": "#cdc_vaccine_panel" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/influenza", "name": "#influenza" }, { "type": "Hashtag", "href": "https://mstdn.social/tags/ACIP", "name": "#ACIP" } ], "replies": { "id": "https://mstdn.social/users/dalfen/statuses/114753006686953886/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mstdn.social/users/dalfen/statuses/114753006686953886/replies?min_id=114753178405098225&page=true", "partOf": "https://mstdn.social/users/dalfen/statuses/114753006686953886/replies", "items": [ "https://mstdn.social/users/dalfen/statuses/114753178405098225" ] } }, "likes": { "id": "https://mstdn.social/users/dalfen/statuses/114753006686953886/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mstdn.social/users/dalfen/statuses/114753006686953886/shares", "type": "Collection", "totalItems": 2 } }