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", "Emoji": "toot:Emoji" } ], "id": "https://hellions.cloud/users/dannotdaniel/statuses/114348564704740259", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-16T16:23:48Z", "url": "https://hellions.cloud/@dannotdaniel/114348564704740259", "attributedTo": "https://hellions.cloud/users/dannotdaniel", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://hellions.cloud/users/dannotdaniel/followers", "https://mastodon.social/users/Gargron", "https://social.coop/users/cwebber" ], "sensitive": false, "atomUri": "https://hellions.cloud/users/dannotdaniel/statuses/114348564704740259", "inReplyToAtomUri": null, "conversation": "tag:hellions.cloud,2025-04-16:objectId=13884914:objectType=Conversation", "content": "<p>everyone follows the author of MASTODON <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Gargron\" class=\"u-url mention\">@<span>Gargron</span></a></span> when they join on here</p><p>they should also follow <span class=\"h-card\" translate=\"no\"><a href=\"https://social.coop/@cwebber\" class=\"u-url mention\">@<span>cwebber</span></a></span> - author of ActivityPub protocol (which MASTODON and other fedi softwares are built on)</p><p>take it from Fedi Mercury :fedi_mercury_coin: :fediverse: :blender: </p><p><a href=\"https://hellions.cloud/tags/b3d\" class=\"mention hashtag\" rel=\"tag\">#<span>b3d</span></a> <a href=\"https://hellions.cloud/tags/fedi\" class=\"mention hashtag\" rel=\"tag\">#<span>fedi</span></a> <a href=\"https://hellions.cloud/tags/activitpub\" class=\"mention hashtag\" rel=\"tag\">#<span>activitpub</span></a> <a href=\"https://hellions.cloud/tags/mastodon\" class=\"mention hashtag\" rel=\"tag\">#<span>mastodon</span></a> <a href=\"https://hellions.cloud/tags/fediverse\" class=\"mention hashtag\" rel=\"tag\">#<span>fediverse</span></a> <a href=\"https://hellions.cloud/tags/FediMercury\" class=\"mention hashtag\" rel=\"tag\">#<span>FediMercury</span></a></p>", "contentMap": { "en": "<p>everyone follows the author of MASTODON <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.social/@Gargron\" class=\"u-url mention\">@<span>Gargron</span></a></span> when they join on here</p><p>they should also follow <span class=\"h-card\" translate=\"no\"><a href=\"https://social.coop/@cwebber\" class=\"u-url mention\">@<span>cwebber</span></a></span> - author of ActivityPub protocol (which MASTODON and other fedi softwares are built on)</p><p>take it from Fedi Mercury :fedi_mercury_coin: :fediverse: :blender: </p><p><a href=\"https://hellions.cloud/tags/b3d\" class=\"mention hashtag\" rel=\"tag\">#<span>b3d</span></a> <a href=\"https://hellions.cloud/tags/fedi\" class=\"mention hashtag\" rel=\"tag\">#<span>fedi</span></a> <a href=\"https://hellions.cloud/tags/activitpub\" class=\"mention hashtag\" rel=\"tag\">#<span>activitpub</span></a> <a href=\"https://hellions.cloud/tags/mastodon\" class=\"mention hashtag\" rel=\"tag\">#<span>mastodon</span></a> <a href=\"https://hellions.cloud/tags/fediverse\" class=\"mention hashtag\" rel=\"tag\">#<span>fediverse</span></a> <a href=\"https://hellions.cloud/tags/FediMercury\" class=\"mention hashtag\" rel=\"tag\">#<span>FediMercury</span></a></p>" }, "updated": "2025-04-16T16:26:19Z", "attachment": [ { "type": "Document", "mediaType": "video/mp4", "url": "https://hellions.cloud/system/media_attachments/files/114/348/561/569/606/029/original/6737db73d61f6712.mp4", "name": "the FEDI MERCURY challenge coin was made in BLENDER\n\nit's Freddie but instead of a mic he wields dual IBM model M mechanical keyboards. Also his signature is fire.", "blurhash": "U00000fQfQfQfQfQfQfQfQfQfQfQfQfQfQfQ", "focalPoint": [ 0, 0 ], "width": 1920, "height": 1080 } ], "tag": [ { "type": "Mention", "href": "https://mastodon.social/users/Gargron", "name": "@Gargron@mastodon.social" }, { "type": "Mention", "href": "https://social.coop/users/cwebber", "name": "@cwebber@social.coop" }, { "type": "Hashtag", "href": "https://hellions.cloud/tags/b3d", "name": "#b3d" }, { "type": "Hashtag", "href": "https://hellions.cloud/tags/fedi", "name": "#fedi" }, { "type": "Hashtag", "href": "https://hellions.cloud/tags/activitpub", "name": "#activitpub" }, { "type": "Hashtag", "href": "https://hellions.cloud/tags/mastodon", "name": "#mastodon" }, { "type": "Hashtag", "href": "https://hellions.cloud/tags/fediverse", "name": "#fediverse" }, { "type": "Hashtag", "href": "https://hellions.cloud/tags/fedimercury", "name": "#fedimercury" }, { "id": "https://hellions.cloud/emojis/31120", "type": "Emoji", "name": ":fedi_mercury_coin:", "updated": "2024-05-30T07:02:42Z", "icon": { "type": "Image", "mediaType": "image/gif", "url": "https://hellions.cloud/system/custom_emojis/images/000/031/120/original/4ca57648bf2506f1.gif" } }, { "id": "https://hellions.cloud/emojis/60190", "type": "Emoji", "name": ":fediverse:", "updated": "2024-11-10T07:05:02Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://hellions.cloud/system/custom_emojis/images/000/060/190/original/bd32c1ddc898a277.png" } }, { "id": "https://hellions.cloud/emojis/16883", "type": "Emoji", "name": ":blender:", "updated": "2023-11-16T06:53:50Z", "icon": { "type": "Image", "mediaType": "image/png", "url": "https://hellions.cloud/system/custom_emojis/images/000/016/883/original/77ac01dadec82a62.png" } } ], "replies": { "id": "https://hellions.cloud/users/dannotdaniel/statuses/114348564704740259/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://hellions.cloud/users/dannotdaniel/statuses/114348564704740259/replies?only_other_accounts=true&page=true", "partOf": "https://hellions.cloud/users/dannotdaniel/statuses/114348564704740259/replies", "items": [] } }, "likes": { "id": "https://hellions.cloud/users/dannotdaniel/statuses/114348564704740259/likes", "type": "Collection", "totalItems": 18 }, "shares": { "id": "https://hellions.cloud/users/dannotdaniel/statuses/114348564704740259/shares", "type": "Collection", "totalItems": 7 } }