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://sigmoid.social/users/cigitalgem/statuses/114364487247155910",
"type": "Note",
"summary": null,
"inReplyTo": "https://sigmoid.social/users/cigitalgem/statuses/114360299946829827",
"published": "2025-04-19T11:53:07Z",
"url": "https://sigmoid.social/@cigitalgem/114364487247155910",
"attributedTo": "https://sigmoid.social/users/cigitalgem",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://sigmoid.social/users/cigitalgem/followers"
],
"sensitive": false,
"atomUri": "https://sigmoid.social/users/cigitalgem/statuses/114364487247155910",
"inReplyToAtomUri": "https://sigmoid.social/users/cigitalgem/statuses/114360299946829827",
"conversation": "tag:sigmoid.social,2025-04-18:objectId=55803226:objectType=Conversation",
"content": "<p>Want to know what risk every <a href=\"https://sigmoid.social/tags/LLM\" class=\"mention hashtag\" rel=\"tag\">#<span>LLM</span></a> vendor ignores? Recursive pollution. </p><p><a href=\"https://sigmoid.social/tags/MLsec\" class=\"mention hashtag\" rel=\"tag\">#<span>MLsec</span></a></p>",
"contentMap": {
"en": "<p>Want to know what risk every <a href=\"https://sigmoid.social/tags/LLM\" class=\"mention hashtag\" rel=\"tag\">#<span>LLM</span></a> vendor ignores? Recursive pollution. </p><p><a href=\"https://sigmoid.social/tags/MLsec\" class=\"mention hashtag\" rel=\"tag\">#<span>MLsec</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/llm",
"name": "#llm"
},
{
"type": "Hashtag",
"href": "https://sigmoid.social/tags/mlsec",
"name": "#mlsec"
}
],
"replies": {
"id": "https://sigmoid.social/users/cigitalgem/statuses/114364487247155910/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://sigmoid.social/users/cigitalgem/statuses/114364487247155910/replies?only_other_accounts=true&page=true",
"partOf": "https://sigmoid.social/users/cigitalgem/statuses/114364487247155910/replies",
"items": []
}
},
"likes": {
"id": "https://sigmoid.social/users/cigitalgem/statuses/114364487247155910/likes",
"type": "Collection",
"totalItems": 2
},
"shares": {
"id": "https://sigmoid.social/users/cigitalgem/statuses/114364487247155910/shares",
"type": "Collection",
"totalItems": 2
}
}