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://mas.to/users/UnderEu/statuses/114660320933481225", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-10T17:47:30Z", "url": "https://mas.to/@UnderEu/114660320933481225", "attributedTo": "https://mas.to/users/UnderEu", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mas.to/users/UnderEu/followers", "https://mastodon.xyz/users/nextcloud" ], "sensitive": false, "atomUri": "https://mas.to/users/UnderEu/statuses/114660320933481225", "inReplyToAtomUri": null, "conversation": "tag:mas.to,2025-06-10:objectId=503935619:objectType=Conversation", "content": "<p>Why, <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.xyz/@nextcloud\" class=\"u-url mention\">@<span>nextcloud</span></a></span> ?</p><p><a href=\"https://github.com/nextcloud/vm/blob/main/nextcloud_install_production.sh#L7\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/nextcloud/vm/blob/m</span><span class=\"invisible\">ain/nextcloud_install_production.sh#L7</span></a><br /><a href=\"https://mas.to/tags/IPv6\" class=\"mention hashtag\" rel=\"tag\">#<span>IPv6</span></a> <a href=\"https://mas.to/tags/Nextcloud\" class=\"mention hashtag\" rel=\"tag\">#<span>Nextcloud</span></a> <a href=\"https://mas.to/tags/Selfhosted\" class=\"mention hashtag\" rel=\"tag\">#<span>Selfhosted</span></a></p>", "contentMap": { "en": "<p>Why, <span class=\"h-card\" translate=\"no\"><a href=\"https://mastodon.xyz/@nextcloud\" class=\"u-url mention\">@<span>nextcloud</span></a></span> ?</p><p><a href=\"https://github.com/nextcloud/vm/blob/main/nextcloud_install_production.sh#L7\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/nextcloud/vm/blob/m</span><span class=\"invisible\">ain/nextcloud_install_production.sh#L7</span></a><br /><a href=\"https://mas.to/tags/IPv6\" class=\"mention hashtag\" rel=\"tag\">#<span>IPv6</span></a> <a href=\"https://mas.to/tags/Nextcloud\" class=\"mention hashtag\" rel=\"tag\">#<span>Nextcloud</span></a> <a href=\"https://mas.to/tags/Selfhosted\" class=\"mention hashtag\" rel=\"tag\">#<span>Selfhosted</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mas.to/media_attachments/files/114/660/315/559/872/730/original/a5d974e562e307b9.png", "name": "A GitHub repo screenshot from nextcloud/vm script, where the line 7 says \"prefer the obsolete Internet Protocol\"", "blurhash": "U03S6M~qe-_4jE%2M{ROMwt8-;%MDhof.8xu", "focalPoint": [ 0, 0 ], "width": 983, "height": 504 } ], "tag": [ { "type": "Mention", "href": "https://mastodon.xyz/users/nextcloud", "name": "@nextcloud@mastodon.xyz" }, { "type": "Hashtag", "href": "https://mas.to/tags/selfhosted", "name": "#selfhosted" }, { "type": "Hashtag", "href": "https://mas.to/tags/nextcloud", "name": "#nextcloud" }, { "type": "Hashtag", "href": "https://mas.to/tags/ipv6", "name": "#ipv6" } ], "replies": { "id": "https://mas.to/users/UnderEu/statuses/114660320933481225/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mas.to/users/UnderEu/statuses/114660320933481225/replies?only_other_accounts=true&page=true", "partOf": "https://mas.to/users/UnderEu/statuses/114660320933481225/replies", "items": [] } }, "likes": { "id": "https://mas.to/users/UnderEu/statuses/114660320933481225/likes", "type": "Collection", "totalItems": 19 }, "shares": { "id": "https://mas.to/users/UnderEu/statuses/114660320933481225/shares", "type": "Collection", "totalItems": 15 } }