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://martianbase.net/users/mackuba/statuses/114474161968122991",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-05-08T20:44:50Z",
"url": "https://martianbase.net/@mackuba/114474161968122991",
"attributedTo": "https://martianbase.net/users/mackuba",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://martianbase.net/users/mackuba/followers"
],
"sensitive": false,
"atomUri": "https://martianbase.net/users/mackuba/statuses/114474161968122991",
"inReplyToAtomUri": null,
"conversation": "tag:martianbase.net,2025-05-08:objectId=151272:objectType=Conversation",
"content": "<p>Meanwhile, I made a PR to the faye-websocket gem with that 3-4x speedup ⚡ <a href=\"https://martianbase.net/tags/rubylang\" class=\"mention hashtag\" rel=\"tag\">#<span>rubylang</span></a></p><p><a href=\"https://github.com/faye/websocket-driver-ruby/pull/95\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/faye/websocket-driv</span><span class=\"invisible\">er-ruby/pull/95</span></a></p>",
"contentMap": {
"en": "<p>Meanwhile, I made a PR to the faye-websocket gem with that 3-4x speedup ⚡ <a href=\"https://martianbase.net/tags/rubylang\" class=\"mention hashtag\" rel=\"tag\">#<span>rubylang</span></a></p><p><a href=\"https://github.com/faye/websocket-driver-ruby/pull/95\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">github.com/faye/websocket-driv</span><span class=\"invisible\">er-ruby/pull/95</span></a></p>"
},
"attachment": [
{
"type": "Document",
"mediaType": "image/jpeg",
"url": "https://martianbase.net/system/media_attachments/files/114/474/161/951/241/415/original/6e7ec8fa07b4b2a2.jpeg",
"name": "PR open: added :binary_data_format option\n\n$ time ./websocket_test.rb 400000\nRunning in normal mode:\nEstimated processing speed: 6559.5 evt/s\n\nGC stats: {... total_allocated_objects: 14677645 ... }\n\nreal 1m1.718s\nuser 0m57.342s\nsys 0m2.746s\n\n$ time ./websocket_test.rb 400000 -f\nRunning in FAST mode:\n\nEstimated processing speed: 26389.5 evt/s\n\nGC stats: { ... total_allocated_objects: 13481274 ... }\n\nreal 0m15.885s\nuser 0m7.368s\nsys 0m1.860s",
"blurhash": "U5R{*}00?b%f%fIURPofNGM{RiWB?vE1IUt7",
"width": 1922,
"height": 1546
}
],
"tag": [
{
"type": "Hashtag",
"href": "https://martianbase.net/tags/rubylang",
"name": "#rubylang"
}
],
"replies": {
"id": "https://martianbase.net/users/mackuba/statuses/114474161968122991/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://martianbase.net/users/mackuba/statuses/114474161968122991/replies?only_other_accounts=true&page=true",
"partOf": "https://martianbase.net/users/mackuba/statuses/114474161968122991/replies",
"items": []
}
}
}