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/Rome_and_stuff/statuses/114421939238719643", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-29T15:23:54Z", "url": "https://mastodon.social/@Rome_and_stuff/114421939238719643", "attributedTo": "https://mastodon.social/users/Rome_and_stuff", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.social/users/Rome_and_stuff/followers" ], "sensitive": false, "atomUri": "https://mastodon.social/users/Rome_and_stuff/statuses/114421939238719643", "inReplyToAtomUri": null, "conversation": "tag:mastodon.social,2025-04-29:objectId=984447416:objectType=Conversation", "content": "<p>Part of the paving and bronze letters of the <a href=\"https://mastodon.social/tags/ancient\" class=\"mention hashtag\" rel=\"tag\">#<span>ancient</span></a> meridian or horologium laid out by the <a href=\"https://mastodon.social/tags/roman\" class=\"mention hashtag\" rel=\"tag\">#<span>roman</span></a> emperor Augustus and relaid by Domitian in the Campus Martius. <a href=\"https://mastodon.social/tags/rome\" class=\"mention hashtag\" rel=\"tag\">#<span>rome</span></a> <a href=\"https://mastodon.social/tags/archaeology\" class=\"mention hashtag\" rel=\"tag\">#<span>archaeology</span></a> <a href=\"https://mastodon.social/tags/ancienthistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ancienthistory</span></a> <a href=\"https://mastodon.social/tags/romanhistory\" class=\"mention hashtag\" rel=\"tag\">#<span>romanhistory</span></a> <a href=\"https://mastodon.social/tags/ancientrome\" class=\"mention hashtag\" rel=\"tag\">#<span>ancientrome</span></a></p>", "contentMap": { "en": "<p>Part of the paving and bronze letters of the <a href=\"https://mastodon.social/tags/ancient\" class=\"mention hashtag\" rel=\"tag\">#<span>ancient</span></a> meridian or horologium laid out by the <a href=\"https://mastodon.social/tags/roman\" class=\"mention hashtag\" rel=\"tag\">#<span>roman</span></a> emperor Augustus and relaid by Domitian in the Campus Martius. <a href=\"https://mastodon.social/tags/rome\" class=\"mention hashtag\" rel=\"tag\">#<span>rome</span></a> <a href=\"https://mastodon.social/tags/archaeology\" class=\"mention hashtag\" rel=\"tag\">#<span>archaeology</span></a> <a href=\"https://mastodon.social/tags/ancienthistory\" class=\"mention hashtag\" rel=\"tag\">#<span>ancienthistory</span></a> <a href=\"https://mastodon.social/tags/romanhistory\" class=\"mention hashtag\" rel=\"tag\">#<span>romanhistory</span></a> <a href=\"https://mastodon.social/tags/ancientrome\" class=\"mention hashtag\" rel=\"tag\">#<span>ancientrome</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/421/938/299/430/417/original/1afa28f0f2a94e93.png", "name": "", "blurhash": "UFEouft8jJIU~pInV@Rj4.RjRiogt2-;IVs:", "width": 1152, "height": 1536 }, { "type": "Document", "mediaType": "image/png", "url": "https://files.mastodon.social/media_attachments/files/114/421/938/462/192/126/original/e4d1ead28d7db228.png", "name": "", "blurhash": "UCF5?IEM-pIT?bV[D%Rk0KIUM{t8t6IpIVs:", "width": 1152, "height": 1536 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.social/tags/ancient", "name": "#ancient" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/roman", "name": "#roman" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/rome", "name": "#rome" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/archaeology", "name": "#archaeology" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ancienthistory", "name": "#ancienthistory" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/romanhistory", "name": "#romanhistory" }, { "type": "Hashtag", "href": "https://mastodon.social/tags/ancientrome", "name": "#ancientrome" } ], "replies": { "id": "https://mastodon.social/users/Rome_and_stuff/statuses/114421939238719643/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.social/users/Rome_and_stuff/statuses/114421939238719643/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.social/users/Rome_and_stuff/statuses/114421939238719643/replies", "items": [] } }, "likes": { "id": "https://mastodon.social/users/Rome_and_stuff/statuses/114421939238719643/likes", "type": "Collection", "totalItems": 10 }, "shares": { "id": "https://mastodon.social/users/Rome_and_stuff/statuses/114421939238719643/shares", "type": "Collection", "totalItems": 7 } }