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://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114731307471322758",
"type": "Note",
"summary": null,
"inReplyTo": null,
"published": "2025-06-23T06:40:19Z",
"url": "https://rss-mstdn.studiofreesia.com/@ycombinator/114731307471322758",
"attributedTo": "https://rss-mstdn.studiofreesia.com/users/ycombinator",
"to": [
"https://www.w3.org/ns/activitystreams#Public"
],
"cc": [
"https://rss-mstdn.studiofreesia.com/users/ycombinator/followers"
],
"sensitive": false,
"atomUri": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114731307471322758",
"inReplyToAtomUri": null,
"conversation": "tag:rss-mstdn.studiofreesia.com,2025-06-23:objectId=15741039:objectType=Conversation",
"content": "<p>Show HN: Ariadne – A Rust implementation of aperiodic cryptography<br /><a href=\"https://codeberg.org/CipherNomad/Ariadne\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">codeberg.org/CipherNomad/Ariad</span><span class=\"invisible\">ne</span></a><br /><a href=\"https://rss-mstdn.studiofreesia.com/tags/ycombinator\" class=\"mention hashtag\" rel=\"tag\">#<span>ycombinator</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/git\" class=\"mention hashtag\" rel=\"tag\">#<span>git</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/non_profit\" class=\"mention hashtag\" rel=\"tag\">#<span>non_profit</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/foss\" class=\"mention hashtag\" rel=\"tag\">#<span>foss</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/oss\" class=\"mention hashtag\" rel=\"tag\">#<span>oss</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/free\" class=\"mention hashtag\" rel=\"tag\">#<span>free</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/software\" class=\"mention hashtag\" rel=\"tag\">#<span>software</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/open\" class=\"mention hashtag\" rel=\"tag\">#<span>open</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/source\" class=\"mention hashtag\" rel=\"tag\">#<span>source</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/code\" class=\"mention hashtag\" rel=\"tag\">#<span>code</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/hosting\" class=\"mention hashtag\" rel=\"tag\">#<span>hosting</span></a></p>",
"contentMap": {
"ja": "<p>Show HN: Ariadne – A Rust implementation of aperiodic cryptography<br /><a href=\"https://codeberg.org/CipherNomad/Ariadne\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">codeberg.org/CipherNomad/Ariad</span><span class=\"invisible\">ne</span></a><br /><a href=\"https://rss-mstdn.studiofreesia.com/tags/ycombinator\" class=\"mention hashtag\" rel=\"tag\">#<span>ycombinator</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/git\" class=\"mention hashtag\" rel=\"tag\">#<span>git</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/non_profit\" class=\"mention hashtag\" rel=\"tag\">#<span>non_profit</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/foss\" class=\"mention hashtag\" rel=\"tag\">#<span>foss</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/oss\" class=\"mention hashtag\" rel=\"tag\">#<span>oss</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/free\" class=\"mention hashtag\" rel=\"tag\">#<span>free</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/software\" class=\"mention hashtag\" rel=\"tag\">#<span>software</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/open\" class=\"mention hashtag\" rel=\"tag\">#<span>open</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/source\" class=\"mention hashtag\" rel=\"tag\">#<span>source</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/code\" class=\"mention hashtag\" rel=\"tag\">#<span>code</span></a> <a href=\"https://rss-mstdn.studiofreesia.com/tags/hosting\" class=\"mention hashtag\" rel=\"tag\">#<span>hosting</span></a></p>"
},
"attachment": [],
"tag": [
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/ycombinator",
"name": "#ycombinator"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/git",
"name": "#git"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/non_profit",
"name": "#non_profit"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/foss",
"name": "#foss"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/oss",
"name": "#oss"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/free",
"name": "#free"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/software",
"name": "#software"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/open",
"name": "#open"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/source",
"name": "#source"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/code",
"name": "#code"
},
{
"type": "Hashtag",
"href": "https://rss-mstdn.studiofreesia.com/tags/hosting",
"name": "#hosting"
}
],
"replies": {
"id": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114731307471322758/replies",
"type": "Collection",
"first": {
"type": "CollectionPage",
"next": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114731307471322758/replies?only_other_accounts=true&page=true",
"partOf": "https://rss-mstdn.studiofreesia.com/users/ycombinator/statuses/114731307471322758/replies",
"items": []
}
}
}