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.
{
"@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://heads.social/users/shlenny/statuses/114580672370149965",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-27T16:11:50Z",
"url": "https://heads.social/@shlenny/114580672370149965",
"attributedTo": "https://heads.social/users/shlenny",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://heads.social/users/shlenny/followers"
],
"sensitive": false,
"atomUri": "https://heads.social/users/shlenny/statuses/114580672370149965",
"inReplyToAtomUri": null,
"conversation": "tag:heads.social,2025-05-27:objectId=29596329:objectType=Conversation",
"content": "<p>A new article <a href=\"https://heads.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://heads.social/tags/Philosophy\" class=\"mention hashtag\" rel=\"tag\">#<span>Philosophy</span></a> <a href=\"https://heads.social/tags/cognition\" class=\"mention hashtag\" rel=\"tag\">#<span>cognition</span></a> <a href=\"https://heads.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> folks might be interested in. (free pdf!)</p><p>Dubé, Chad, and Kenneth J. Malmberg. "A Convergence of Theories of Mind and Brain." Computational Brain & Behavior (2025): 1-22.</p><p><a href=\"https://link.springer.com/article/10.1007/s42113-025-00246-8\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">link.springer.com/article/10.1</span><span class=\"invisible\">007/s42113-025-00246-8</span></a></p>",
"contentMap": {
"en": "<p>A new article <a href=\"https://heads.social/tags/science\" class=\"mention hashtag\" rel=\"tag\">#<span>science</span></a> <a href=\"https://heads.social/tags/Philosophy\" class=\"mention hashtag\" rel=\"tag\">#<span>Philosophy</span></a> <a href=\"https://heads.social/tags/cognition\" class=\"mention hashtag\" rel=\"tag\">#<span>cognition</span></a> <a href=\"https://heads.social/tags/AI\" class=\"mention hashtag\" rel=\"tag\">#<span>AI</span></a> folks might be interested in. (free pdf!)</p><p>Dubé, Chad, and Kenneth J. Malmberg. "A Convergence of Theories of Mind and Brain." Computational Brain & Behavior (2025): 1-22.</p><p><a href=\"https://link.springer.com/article/10.1007/s42113-025-00246-8\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">link.springer.com/article/10.1</span><span class=\"invisible\">007/s42113-025-00246-8</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/png",
"url": "https://cdn.masto.host/headssocial/media_attachments/files/114/580/667/073/626/620/original/79fb9639595fd29d.png",
"name": null,
"blurhash": "UDQ]+wM{xuRj-;ayWAj[~qWBM{WB-;WBWBWB",
"width": 1025,
"height": 587
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://heads.social/tags/science",
"name": "#science"
},
{
"type": "Hashtag",
"href": "https://heads.social/tags/philosophy",
"name": "#philosophy"
},
{
"type": "Hashtag",
"href": "https://heads.social/tags/cognition",
"name": "#cognition"
},
{
"type": "Hashtag",
"href": "https://heads.social/tags/ai",
"name": "#ai"
}
],
"replies": {
"id": "https://heads.social/users/shlenny/statuses/114580672370149965/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://heads.social/users/shlenny/statuses/114580672370149965/replies?only_other_accounts=true&page=true",
"partOf": "https://heads.social/users/shlenny/statuses/114580672370149965/replies",
"items": []
}
},
"likes": {
"id": "https://heads.social/users/shlenny/statuses/114580672370149965/likes",
"type": "Collection",
"totalItems": 0
},
"shares": {
"id": "https://heads.social/users/shlenny/statuses/114580672370149965/shares",
"type": "Collection",
"totalItems": 1
}
}