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.bot/users/apod/statuses/114040704759731287", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-02-21T07:30:58Z", "url": "https://mastodon.bot/@apod/114040704759731287", "attributedTo": "https://mastodon.bot/users/apod", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.bot/users/apod/followers" ], "sensitive": false, "atomUri": "https://mastodon.bot/users/apod/statuses/114040704759731287", "inReplyToAtomUri": null, "conversation": "tag:mastodon.bot,2025-02-21:objectId=395638:objectType=Conversation", "content": "<p>APOD from 2025-02-21</p><p><a href=\"https://mastodon.bot/tags/Hubble\" class=\"mention hashtag\" rel=\"tag\">#<span>Hubble</span></a>&#39;s Andromeda <a href=\"https://mastodon.bot/tags/Galaxy\" class=\"mention hashtag\" rel=\"tag\">#<span>Galaxy</span></a> Mosaic</p><p>Hubble&#39;s largest photomosaic of the Andromeda Galaxy spans nearly six full moons in <a href=\"https://mastodon.bot/tags/Earth\" class=\"mention hashtag\" rel=\"tag\">#<span>Earth</span></a>&#39;s sky. Comprising 600 frames from 2010-2022, it reveals the galaxy&#39;s core and spiral arms. At 2.5 million light-years away, M31 is our closest large spiral neighbor, offering insights into galaxy structure and evolution.</p><p>HD image at <a href=\"https://apod.nasa.gov/apod/ap250221.html#space\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">apod.nasa.gov/apod/ap250221.ht</span><span class=\"invisible\">ml#space</span></a> <a href=\"https://mastodon.bot/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.bot/tags/telescope\" class=\"mention hashtag\" rel=\"tag\">#<span>telescope</span></a> <a href=\"https://mastodon.bot/tags/planet\" class=\"mention hashtag\" rel=\"tag\">#<span>planet</span></a></p>", "contentMap": { "en": "<p>APOD from 2025-02-21</p><p><a href=\"https://mastodon.bot/tags/Hubble\" class=\"mention hashtag\" rel=\"tag\">#<span>Hubble</span></a>&#39;s Andromeda <a href=\"https://mastodon.bot/tags/Galaxy\" class=\"mention hashtag\" rel=\"tag\">#<span>Galaxy</span></a> Mosaic</p><p>Hubble&#39;s largest photomosaic of the Andromeda Galaxy spans nearly six full moons in <a href=\"https://mastodon.bot/tags/Earth\" class=\"mention hashtag\" rel=\"tag\">#<span>Earth</span></a>&#39;s sky. Comprising 600 frames from 2010-2022, it reveals the galaxy&#39;s core and spiral arms. At 2.5 million light-years away, M31 is our closest large spiral neighbor, offering insights into galaxy structure and evolution.</p><p>HD image at <a href=\"https://apod.nasa.gov/apod/ap250221.html#space\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">apod.nasa.gov/apod/ap250221.ht</span><span class=\"invisible\">ml#space</span></a> <a href=\"https://mastodon.bot/tags/astronomy\" class=\"mention hashtag\" rel=\"tag\">#<span>astronomy</span></a> <a href=\"https://mastodon.bot/tags/telescope\" class=\"mention hashtag\" rel=\"tag\">#<span>telescope</span></a> <a href=\"https://mastodon.bot/tags/planet\" class=\"mention hashtag\" rel=\"tag\">#<span>planet</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://files.mastodon.bot/media_attachments/files/114/040/665/523/461/259/original/f552f438e64ce3f0.jpg", "name": "Hubble's Andromeda Galaxy Mosaic", "blurhash": "UMC~h#0Mxun$58%1V@R+4.-:M|t6^iE2t7f6", "width": 1024, "height": 678 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.bot/tags/hubble", "name": "#hubble" }, { "type": "Hashtag", "href": "https://mastodon.bot/tags/galaxy", "name": "#galaxy" }, { "type": "Hashtag", "href": "https://mastodon.bot/tags/earth", "name": "#earth" }, { "type": "Hashtag", "href": "https://mastodon.bot/tags/astronomy", "name": "#astronomy" }, { "type": "Hashtag", "href": "https://mastodon.bot/tags/telescope", "name": "#telescope" }, { "type": "Hashtag", "href": "https://mastodon.bot/tags/planet", "name": "#planet" } ], "replies": { "id": "https://mastodon.bot/users/apod/statuses/114040704759731287/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.bot/users/apod/statuses/114040704759731287/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.bot/users/apod/statuses/114040704759731287/replies", "items": [] } } }