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"
}
],
"id": "https://mastodon.bsd.cafe/users/zirias/statuses/114704852129352710",
"type": "Note",
"summary": null,
"inReplyTo": "https://mastodon.bsd.cafe/users/zirias/statuses/114704555967279887",
"published": "2025-06-18T14:32:23Z",
"url": "https://mastodon.bsd.cafe/@zirias/114704852129352710",
"attributedTo": "https://mastodon.bsd.cafe/users/zirias",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.bsd.cafe/users/zirias/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.bsd.cafe/users/zirias/statuses/114704852129352710",
"inReplyToAtomUri": "https://mastodon.bsd.cafe/users/zirias/statuses/114704555967279887",
"conversation": "tag:bsd.cafe,2025-06-18:objectId=18426549:objectType=Conversation",
"content": "<p>Update: It finally also crashed once with OpenSSL ... of course only testing a build *without* thread sanitizer, after massively stressing it over and over again without crashing. So, there's still also another issue hiding. 😞</p><p>Nevertheless, with LibreSSL, I can reliably make it crash pretty quickly under heavy load, and the sanitizer output looks useless as described ... so the question remains 🤔</p>",
"contentMap": {
"en": "<p>Update: It finally also crashed once with OpenSSL ... of course only testing a build *without* thread sanitizer, after massively stressing it over and over again without crashing. So, there's still also another issue hiding. 😞</p><p>Nevertheless, with LibreSSL, I can reliably make it crash pretty quickly under heavy load, and the sanitizer output looks useless as described ... so the question remains 🤔</p>"
},
"updated": "2025-06-18T14:33:20Z",
"attachment": [],
"tag": [],
"replies": {
"id": "https://mastodon.bsd.cafe/users/zirias/statuses/114704852129352710/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.bsd.cafe/users/zirias/statuses/114704852129352710/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.bsd.cafe/users/zirias/statuses/114704852129352710/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.bsd.cafe/users/zirias/statuses/114704852129352710/likes",
"type": "Collection",
"totalItems": 1
},
"shares": {
"id": "https://mastodon.bsd.cafe/users/zirias/statuses/114704852129352710/shares",
"type": "Collection",
"totalItems": 0
}
}