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.sdf.org/users/Wordorigins/statuses/114743854473307893", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-06-25T11:51:11Z", "url": "https://mastodon.sdf.org/@Wordorigins/114743854473307893", "attributedTo": "https://mastodon.sdf.org/users/Wordorigins", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.sdf.org/users/Wordorigins/followers" ], "sensitive": false, "atomUri": "https://mastodon.sdf.org/users/Wordorigins/statuses/114743854473307893", "inReplyToAtomUri": null, "conversation": "tag:mastodon.sdf.org,2025-06-25:objectId=275996524:objectType=Conversation", "content": "<p>baseball</p><p><a href=\"https://www.wordorigins.org/big-list-entries/baseball\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">wordorigins.org/big-list-entri</span><span class=\"invisible\">es/baseball</span></a></p><p><a href=\"https://mastodon.sdf.org/tags/etymology\" class=\"mention hashtag\" rel=\"tag\">#<span>etymology</span></a> <a href=\"https://mastodon.sdf.org/tags/wordorigins\" class=\"mention hashtag\" rel=\"tag\">#<span>wordorigins</span></a> <a href=\"https://mastodon.sdf.org/tags/language\" class=\"mention hashtag\" rel=\"tag\">#<span>language</span></a> <a href=\"https://mastodon.sdf.org/tags/baseball\" class=\"mention hashtag\" rel=\"tag\">#<span>baseball</span></a></p>", "contentMap": { "en": "<p>baseball</p><p><a href=\"https://www.wordorigins.org/big-list-entries/baseball\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><span class=\"invisible\">https://www.</span><span class=\"ellipsis\">wordorigins.org/big-list-entri</span><span class=\"invisible\">es/baseball</span></a></p><p><a href=\"https://mastodon.sdf.org/tags/etymology\" class=\"mention hashtag\" rel=\"tag\">#<span>etymology</span></a> <a href=\"https://mastodon.sdf.org/tags/wordorigins\" class=\"mention hashtag\" rel=\"tag\">#<span>wordorigins</span></a> <a href=\"https://mastodon.sdf.org/tags/language\" class=\"mention hashtag\" rel=\"tag\">#<span>language</span></a> <a href=\"https://mastodon.sdf.org/tags/baseball\" class=\"mention hashtag\" rel=\"tag\">#<span>baseball</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.sdf.org/system/media_attachments/files/114/743/852/485/497/983/original/e96b85f91138fb7e.jpg", "name": "“Base-Ball,” from the 1787 edition of John Newbery’s A Little Pretty Pocket-Book; poem about baseball with an engraving of three boys playing a game with a ball and three posts as bases\n", "blurhash": "UDJQv1V@xZxZ0LxtRkxaxaWBayaz-ofPj@ay", "focalPoint": [ 0.07, 0.68 ], "width": 327, "height": 392 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/etymology", "name": "#etymology" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/wordorigins", "name": "#wordorigins" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/language", "name": "#language" }, { "type": "Hashtag", "href": "https://mastodon.sdf.org/tags/baseball", "name": "#baseball" } ], "replies": { "id": "https://mastodon.sdf.org/users/Wordorigins/statuses/114743854473307893/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.sdf.org/users/Wordorigins/statuses/114743854473307893/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.sdf.org/users/Wordorigins/statuses/114743854473307893/replies", "items": [] } } }