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.bsd.cafe/users/zirias/statuses/114715208717217540",
"type": "Note",
"summary": null,
"inReplyTo": "https://mastodon.bsd.cafe/users/zirias/statuses/114704555967279887",
"published": "2025-06-20T10:26:12Z",
"url": "https://mastodon.bsd.cafe/@zirias/114715208717217540",
"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/114715208717217540",
"inReplyToAtomUri": "https://mastodon.bsd.cafe/users/zirias/statuses/114704555967279887",
"conversation": "tag:bsd.cafe,2025-06-18:objectId=18426549:objectType=Conversation",
"content": "<p>For two days straight, I just can't reproduce <a href=\"https://mastodon.bsd.cafe/tags/swad\" class=\"mention hashtag\" rel=\"tag\">#<span>swad</span></a> <a href=\"https://mastodon.bsd.cafe/tags/crashing\" class=\"mention hashtag\" rel=\"tag\">#<span>crashing</span></a> with *anything* in place (<a href=\"https://mastodon.bsd.cafe/tags/clang\" class=\"mention hashtag\" rel=\"tag\">#<span>clang</span></a> <a href=\"https://mastodon.bsd.cafe/tags/sanitizer\" class=\"mention hashtag\" rel=\"tag\">#<span>sanitizer</span></a> instrumentation, attached <a href=\"https://mastodon.bsd.cafe/tags/debugger\" class=\"mention hashtag\" rel=\"tag\">#<span>debugger</span></a> like <a href=\"https://mastodon.bsd.cafe/tags/lldb\" class=\"mention hashtag\" rel=\"tag\">#<span>lldb</span></a>) that could give me the slightest hint what's going wrong. 😡</p><p>But it *does* crash when "unobserved". And it looks like this is happening a lot sooner (or, more often?) when using <a href=\"https://mastodon.bsd.cafe/tags/LibreSSL\" class=\"mention hashtag\" rel=\"tag\">#<span>LibreSSL</span></a> ... but I also suspect this could be a red herring in the end.</p><p>Situation reminds me of my physics teacher back at school, who used to say something in german I just can't ever forget:</p><p>"Wer misst, misst Mist."</p><p>Feeble attempt in english would be "the one who measures measures crap", it was his humorous way to bring one consequence of <a href=\"https://mastodon.bsd.cafe/tags/Heisenberg\" class=\"mention hashtag\" rel=\"tag\">#<span>Heisenberg</span></a>'s indeterminacy principle to the point. And indeed, <a href=\"https://mastodon.bsd.cafe/tags/debugging\" class=\"mention hashtag\" rel=\"tag\">#<span>debugging</span></a> computer programs always suffers from similar problems...</p>",
"contentMap": {
"en": "<p>For two days straight, I just can't reproduce <a href=\"https://mastodon.bsd.cafe/tags/swad\" class=\"mention hashtag\" rel=\"tag\">#<span>swad</span></a> <a href=\"https://mastodon.bsd.cafe/tags/crashing\" class=\"mention hashtag\" rel=\"tag\">#<span>crashing</span></a> with *anything* in place (<a href=\"https://mastodon.bsd.cafe/tags/clang\" class=\"mention hashtag\" rel=\"tag\">#<span>clang</span></a> <a href=\"https://mastodon.bsd.cafe/tags/sanitizer\" class=\"mention hashtag\" rel=\"tag\">#<span>sanitizer</span></a> instrumentation, attached <a href=\"https://mastodon.bsd.cafe/tags/debugger\" class=\"mention hashtag\" rel=\"tag\">#<span>debugger</span></a> like <a href=\"https://mastodon.bsd.cafe/tags/lldb\" class=\"mention hashtag\" rel=\"tag\">#<span>lldb</span></a>) that could give me the slightest hint what's going wrong. 😡</p><p>But it *does* crash when "unobserved". And it looks like this is happening a lot sooner (or, more often?) when using <a href=\"https://mastodon.bsd.cafe/tags/LibreSSL\" class=\"mention hashtag\" rel=\"tag\">#<span>LibreSSL</span></a> ... but I also suspect this could be a red herring in the end.</p><p>Situation reminds me of my physics teacher back at school, who used to say something in german I just can't ever forget:</p><p>"Wer misst, misst Mist."</p><p>Feeble attempt in english would be "the one who measures measures crap", it was his humorous way to bring one consequence of <a href=\"https://mastodon.bsd.cafe/tags/Heisenberg\" class=\"mention hashtag\" rel=\"tag\">#<span>Heisenberg</span></a>'s indeterminacy principle to the point. And indeed, <a href=\"https://mastodon.bsd.cafe/tags/debugging\" class=\"mention hashtag\" rel=\"tag\">#<span>debugging</span></a> computer programs always suffers from similar problems...</p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/swad",
"name": "#swad"
},
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/crashing",
"name": "#crashing"
},
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/clang",
"name": "#clang"
},
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/sanitizer",
"name": "#sanitizer"
},
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/debugger",
"name": "#debugger"
},
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/lldb",
"name": "#lldb"
},
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/libressl",
"name": "#libressl"
},
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/heisenberg",
"name": "#heisenberg"
},
{
"type": "Hashtag",
"href": "https://mastodon.bsd.cafe/tags/debugging",
"name": "#debugging"
}
],
"replies": {
"id": "https://mastodon.bsd.cafe/users/zirias/statuses/114715208717217540/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://mastodon.bsd.cafe/users/zirias/statuses/114715208717217540/replies?min_id=114716654489256646&page=true",
"partOf": "https://mastodon.bsd.cafe/users/zirias/statuses/114715208717217540/replies",
"items": [
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}
},
"likes": {
"id": "https://mastodon.bsd.cafe/users/zirias/statuses/114715208717217540/likes",
"type": "Collection",
"totalItems": 1
},
"shares": {
"id": "https://mastodon.bsd.cafe/users/zirias/statuses/114715208717217540/shares",
"type": "Collection",
"totalItems": 1
}
}