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",
"Hashtag": "as:Hashtag"
}
],
"id": "https://mastodon.social/users/concretedog/statuses/114714704047370419",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-20T08:17:51Z",
"url": "https://mastodon.social/@concretedog/114714704047370419",
"attributedTo": "https://mastodon.social/users/concretedog",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/concretedog/followers",
"https://fosstodon.org/users/FreeCAD"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/concretedog/statuses/114714704047370419",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2025-06-20:objectId=1027790577:objectType=Conversation",
"content": "<p>ICYMI I posted a while back about my new pay what you feel magazine <a href=\"https://mastodon.social/tags/SOURCE\" class=\"mention hashtag\" rel=\"tag\">#<span>SOURCE</span></a> the experimental first issue is a medium deep dive on Computational Fluid Dynamics using the fabulous <span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@FreeCAD\" class=\"u-url mention\">@<span>FreeCAD</span></a></span> Do go and grab a copy on the link below and do spread the word if you can! <a href=\"https://mastodon.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://concretedog.blogspot.com/2025/05/source-issue-1-out-now-computational.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">concretedog.blogspot.com/2025/</span><span class=\"invisible\">05/source-issue-1-out-now-computational.html</span></a></p>",
"contentMap": {
"en": "<p>ICYMI I posted a while back about my new pay what you feel magazine <a href=\"https://mastodon.social/tags/SOURCE\" class=\"mention hashtag\" rel=\"tag\">#<span>SOURCE</span></a> the experimental first issue is a medium deep dive on Computational Fluid Dynamics using the fabulous <span class=\"h-card\" translate=\"no\"><a href=\"https://fosstodon.org/@FreeCAD\" class=\"u-url mention\">@<span>FreeCAD</span></a></span> Do go and grab a copy on the link below and do spread the word if you can! <a href=\"https://mastodon.social/tags/opensource\" class=\"mention hashtag\" rel=\"tag\">#<span>opensource</span></a> <a href=\"https://concretedog.blogspot.com/2025/05/source-issue-1-out-now-computational.html\" target=\"_blank\" rel=\"nofollow noopener\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">concretedog.blogspot.com/2025/</span><span class=\"invisible\">05/source-issue-1-out-now-computational.html</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Mention",
"href": "https://fosstodon.org/users/FreeCAD",
"name": "@FreeCAD@fosstodon.org"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/source",
"name": "#source"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/opensource",
"name": "#opensource"
}
],
"replies": {
"id": "https://mastodon.social/users/concretedog/statuses/114714704047370419/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/concretedog/statuses/114714704047370419/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.social/users/concretedog/statuses/114714704047370419/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.social/users/concretedog/statuses/114714704047370419/likes",
"type": "Collection",
"totalItems": 4
},
"shares": {
"id": "https://mastodon.social/users/concretedog/statuses/114714704047370419/shares",
"type": "Collection",
"totalItems": 5
}
}