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/ascherbaum/statuses/114647550751609856",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-08T11:39:53Z",
"url": "https://mastodon.social/@ascherbaum/114647550751609856",
"attributedTo": "https://mastodon.social/users/ascherbaum",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://mastodon.social/users/ascherbaum/followers"
],
"sensitive": false,
"atomUri": "https://mastodon.social/users/ascherbaum/statuses/114647550751609856",
"inReplyToAtomUri": null,
"conversation": "tag:mastodon.social,2025-06-08:objectId=1017614795:objectType=Conversation",
"content": "<p>And ... <a href=\"https://mastodon.social/tags/Certbot\" class=\"mention hashtag\" rel=\"tag\">#<span>Certbot</span></a> in <a href=\"https://mastodon.social/tags/Debian\" class=\"mention hashtag\" rel=\"tag\">#<span>Debian</span></a> Bookworm is broken.</p><p>Tried a dns01 setup. It works with the exact same parameters using nslookup, it works with the exact same playbook on Trixie. It breaks on Bookworm with "The peer didn't know the key we used". The remote bind9 complains with "tsig verify failure (BADKEY)".</p><p>Just tested it also with two fresh installations, can reproduce the problem.</p><p>Now how to debug this ...</p>",
"contentMap": {
"en": "<p>And ... <a href=\"https://mastodon.social/tags/Certbot\" class=\"mention hashtag\" rel=\"tag\">#<span>Certbot</span></a> in <a href=\"https://mastodon.social/tags/Debian\" class=\"mention hashtag\" rel=\"tag\">#<span>Debian</span></a> Bookworm is broken.</p><p>Tried a dns01 setup. It works with the exact same parameters using nslookup, it works with the exact same playbook on Trixie. It breaks on Bookworm with "The peer didn't know the key we used". The remote bind9 complains with "tsig verify failure (BADKEY)".</p><p>Just tested it also with two fresh installations, can reproduce the problem.</p><p>Now how to debug this ...</p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/certbot",
"name": "#certbot"
},
{
"type": "Hashtag",
"href": "https://mastodon.social/tags/debian",
"name": "#debian"
}
],
"replies": {
"id": "https://mastodon.social/users/ascherbaum/statuses/114647550751609856/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.social/users/ascherbaum/statuses/114647550751609856/replies?only_other_accounts=true&page=true",
"partOf": "https://mastodon.social/users/ascherbaum/statuses/114647550751609856/replies",
"items": []
}
},
"likes": {
"id": "https://mastodon.social/users/ascherbaum/statuses/114647550751609856/likes",
"type": "Collection",
"totalItems": 2
},
"shares": {
"id": "https://mastodon.social/users/ascherbaum/statuses/114647550751609856/shares",
"type": "Collection",
"totalItems": 3
}
}